21000604786

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1\times {\mathrm{827}}^1$

素因数の和:1399

約数の個数: 64

約数和(自身を含む): 37257615360

約数和(自身を除く): 16257010574

約数列:

[1, 2, 7, 14, 59, 71, 118, 142, 413, 433, 497, 826, 827, 866, 994, 1654, 3031, 4189, 5789, 6062, 8378, 11578, 25547, 29323, 30743, 48793, 51094, 58646, 58717, 61486, 97586, 117434, 178829, 215201, 341551, 357658, 358091, 411019, 430402, 683102, 716182, 822038, 1813837, 2506637, 3464303, 3627674, 5013274, 6928606, 12696859, 21127369, 24250121, 25393718, 25424461, 42254738, 48500242, 50848922, 147891583, 177971227, 295783166, 355942454, 1500043199, 3000086398, 10500302393, 21000604786]

約数ペア:

[(1, 21000604786), (2, 10500302393), (7, 3000086398), (14, 1500043199), (59, 355942454), (71, 295783166), (118, 177971227), (142, 147891583), (413, 50848922), (433, 48500242), (497, 42254738), (826, 25424461), (827, 25393718), (866, 24250121), (994, 21127369), (1654, 12696859), (3031, 6928606), (4189, 5013274), (5789, 3627674), (6062, 3464303), (8378, 2506637), (11578, 1813837), (25547, 822038), (29323, 716182), (30743, 683102), (48793, 430402), (51094, 411019), (58646, 358091), (58717, 357658), (61486, 341551), (97586, 215201), (117434, 178829)]