21202272

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 144

約数和(自身を含む): 74299680

約数和(自身を除く): 53097408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 809, 819, 936, 1008, 1092, 1248, 1456, 1618, 1638, 1872, 2016, 2184, 2427, 2912, 3236, 3276, 3744, 4368, 4854, 5663, 6472, 6552, 7281, 8736, 9708, 10517, 11326, 12944, 13104, 14562, 16989, 19416, 21034, 22652, 25888, 26208, 29124, 31551, 33978, 38832, 42068, 45304, 50967, 58248, 63102, 67956, 73619, 77664, 84136, 90608, 94653, 101934, 116496, 126204, 135912, 147238, 168272, 181216, 189306, 203868, 220857, 232992, 252408, 271824, 294476, 336544, 378612, 407736, 441714, 504816, 543648, 588952, 662571, 757224, 815472, 883428, 1009632, 1177904, 1325142, 1514448, 1630944, 1766856, 2355808, 2650284, 3028896, 3533712, 5300568, 7067424, 10601136, 21202272]

約数ペア:

[(1, 21202272), (2, 10601136), (3, 7067424), (4, 5300568), (6, 3533712), (7, 3028896), (8, 2650284), (9, 2355808), (12, 1766856), (13, 1630944), (14, 1514448), (16, 1325142), (18, 1177904), (21, 1009632), (24, 883428), (26, 815472), (28, 757224), (32, 662571), (36, 588952), (39, 543648), (42, 504816), (48, 441714), (52, 407736), (56, 378612), (63, 336544), (72, 294476), (78, 271824), (84, 252408), (91, 232992), (96, 220857), (104, 203868), (112, 189306), (117, 181216), (126, 168272), (144, 147238), (156, 135912), (168, 126204), (182, 116496), (208, 101934), (224, 94653), (234, 90608), (252, 84136), (273, 77664), (288, 73619), (312, 67956), (336, 63102), (364, 58248), (416, 50967), (468, 45304), (504, 42068), (546, 38832), (624, 33978), (672, 31551), (728, 29124), (809, 26208), (819, 25888), (936, 22652), (1008, 21034), (1092, 19416), (1248, 16989), (1456, 14562), (1618, 13104), (1638, 12944), (1872, 11326), (2016, 10517), (2184, 9708), (2427, 8736), (2912, 7281), (3236, 6552), (3276, 6472), (3744, 5663), (4368, 4854)]