21078762768

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{48973}}^1$

素因数の和:49062

約数の個数: 180

約数和(自身を含む): 69748868748

約数和(自身を除く): 48670105980

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 61, 63, 72, 84, 98, 112, 122, 126, 144, 147, 168, 183, 196, 244, 252, 294, 336, 366, 392, 427, 441, 488, 504, 549, 588, 732, 784, 854, 882, 976, 1008, 1098, 1176, 1281, 1464, 1708, 1764, 2196, 2352, 2562, 2928, 2989, 3416, 3528, 3843, 4392, 5124, 5978, 6832, 7056, 7686, 8784, 8967, 10248, 11956, 15372, 17934, 20496, 23912, 26901, 30744, 35868, 47824, 48973, 53802, 61488, 71736, 97946, 107604, 143472, 146919, 195892, 215208, 293838, 342811, 391784, 430416, 440757, 587676, 685622, 783568, 881514, 1028433, 1175352, 1371244, 1763028, 2056866, 2350704, 2399677, 2742488, 2987353, 3085299, 3526056, 4113732, 4799354, 5484976, 5974706, 6170598, 7052112, 7199031, 8227464, 8962059, 9598708, 11949412, 12341196, 14398062, 16454928, 17924118, 19197416, 20911471, 21597093, 23898824, 24682392, 26886177, 28796124, 35848236, 38394832, 41822942, 43194186, 47797648, 49364784, 53772354, 57592248, 62734413, 71696472, 83645884, 86388372, 107544708, 115184496, 125468826, 143392944, 146380297, 167291768, 172776744, 188203239, 215089416, 250937652, 292760594, 334583536, 345553488, 376406478, 430178832, 439140891, 501875304, 585521188, 752812956, 878281782, 1003750608, 1171042376, 1317422673, 1505625912, 1756563564, 2342084752, 2634845346, 3011251824, 3513127128, 5269690692, 7026254256, 10539381384, 21078762768]

約数ペア:

[(1, 21078762768), (2, 10539381384), (3, 7026254256), (4, 5269690692), (6, 3513127128), (7, 3011251824), (8, 2634845346), (9, 2342084752), (12, 1756563564), (14, 1505625912), (16, 1317422673), (18, 1171042376), (21, 1003750608), (24, 878281782), (28, 752812956), (36, 585521188), (42, 501875304), (48, 439140891), (49, 430178832), (56, 376406478), (61, 345553488), (63, 334583536), (72, 292760594), (84, 250937652), (98, 215089416), (112, 188203239), (122, 172776744), (126, 167291768), (144, 146380297), (147, 143392944), (168, 125468826), (183, 115184496), (196, 107544708), (244, 86388372), (252, 83645884), (294, 71696472), (336, 62734413), (366, 57592248), (392, 53772354), (427, 49364784), (441, 47797648), (488, 43194186), (504, 41822942), (549, 38394832), (588, 35848236), (732, 28796124), (784, 26886177), (854, 24682392), (882, 23898824), (976, 21597093), (1008, 20911471), (1098, 19197416), (1176, 17924118), (1281, 16454928), (1464, 14398062), (1708, 12341196), (1764, 11949412), (2196, 9598708), (2352, 8962059), (2562, 8227464), (2928, 7199031), (2989, 7052112), (3416, 6170598), (3528, 5974706), (3843, 5484976), (4392, 4799354), (5124, 4113732), (5978, 3526056), (6832, 3085299), (7056, 2987353), (7686, 2742488), (8784, 2399677), (8967, 2350704), (10248, 2056866), (11956, 1763028), (15372, 1371244), (17934, 1175352), (20496, 1028433), (23912, 881514), (26901, 783568), (30744, 685622), (35868, 587676), (47824, 440757), (48973, 430416), (53802, 391784), (61488, 342811), (71736, 293838), (97946, 215208), (107604, 195892), (143472, 146919)]