21305196

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 108

約数和(自身を含む): 60902296

約数和(自身を除く): 39597100

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 67, 73, 99, 121, 132, 134, 146, 198, 201, 219, 242, 268, 292, 363, 396, 402, 438, 484, 603, 657, 726, 737, 803, 804, 876, 1089, 1206, 1314, 1452, 1474, 1606, 2178, 2211, 2409, 2412, 2628, 2948, 3212, 4356, 4422, 4818, 4891, 6633, 7227, 8107, 8833, 8844, 9636, 9782, 13266, 14454, 14673, 16214, 17666, 19564, 24321, 26499, 26532, 28908, 29346, 32428, 35332, 44019, 48642, 52998, 53801, 58692, 72963, 79497, 88038, 97284, 105996, 107602, 145926, 158994, 161403, 176076, 215204, 291852, 317988, 322806, 484209, 591811, 645612, 968418, 1183622, 1775433, 1936836, 2367244, 3550866, 5326299, 7101732, 10652598, 21305196]

約数ペア:

[(1, 21305196), (2, 10652598), (3, 7101732), (4, 5326299), (6, 3550866), (9, 2367244), (11, 1936836), (12, 1775433), (18, 1183622), (22, 968418), (33, 645612), (36, 591811), (44, 484209), (66, 322806), (67, 317988), (73, 291852), (99, 215204), (121, 176076), (132, 161403), (134, 158994), (146, 145926), (198, 107602), (201, 105996), (219, 97284), (242, 88038), (268, 79497), (292, 72963), (363, 58692), (396, 53801), (402, 52998), (438, 48642), (484, 44019), (603, 35332), (657, 32428), (726, 29346), (737, 28908), (803, 26532), (804, 26499), (876, 24321), (1089, 19564), (1206, 17666), (1314, 16214), (1452, 14673), (1474, 14454), (1606, 13266), (2178, 9782), (2211, 9636), (2409, 8844), (2412, 8833), (2628, 8107), (2948, 7227), (3212, 6633), (4356, 4891), (4422, 4818)]