21081170048

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{5843}}^1$

素因数の和:6325

約数の個数: 64

約数和(自身を含む): 42703744320

約数和(自身を除く): 21622574272

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 397, 568, 794, 1136, 1588, 2272, 3176, 4544, 5843, 6352, 9088, 11686, 12704, 23372, 25408, 28187, 46744, 50816, 56374, 93488, 112748, 186976, 225496, 373952, 414853, 450992, 747904, 829706, 901984, 1659412, 1803968, 2319671, 3318824, 3607936, 4639342, 6637648, 9278684, 13275296, 18557368, 26550592, 37114736, 53101184, 74229472, 148458944, 164696641, 296917888, 329393282, 658786564, 1317573128, 2635146256, 5270292512, 10540585024, 21081170048]

約数ペア:

[(1, 21081170048), (2, 10540585024), (4, 5270292512), (8, 2635146256), (16, 1317573128), (32, 658786564), (64, 329393282), (71, 296917888), (128, 164696641), (142, 148458944), (284, 74229472), (397, 53101184), (568, 37114736), (794, 26550592), (1136, 18557368), (1588, 13275296), (2272, 9278684), (3176, 6637648), (4544, 4639342), (5843, 3607936), (6352, 3318824), (9088, 2319671), (11686, 1803968), (12704, 1659412), (23372, 901984), (25408, 829706), (28187, 747904), (46744, 450992), (50816, 414853), (56374, 373952), (93488, 225496), (112748, 186976)]