21104397728

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{751}}^1\times {\mathrm{21419}}^1$

素因数の和:22221

約数の個数: 48

約数和(自身を含む): 42621344640

約数和(自身を除く): 21516946912

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 751, 1312, 1502, 3004, 6008, 12016, 21419, 24032, 30791, 42838, 61582, 85676, 123164, 171352, 246328, 342704, 492656, 685408, 878179, 985312, 1756358, 3512716, 7025432, 14050864, 16085669, 28101728, 32171338, 64342676, 128685352, 257370704, 514741408, 659512429, 1319024858, 2638049716, 5276099432, 10552198864, 21104397728]

約数ペア:

[(1, 21104397728), (2, 10552198864), (4, 5276099432), (8, 2638049716), (16, 1319024858), (32, 659512429), (41, 514741408), (82, 257370704), (164, 128685352), (328, 64342676), (656, 32171338), (751, 28101728), (1312, 16085669), (1502, 14050864), (3004, 7025432), (6008, 3512716), (12016, 1756358), (21419, 985312), (24032, 878179), (30791, 685408), (42838, 492656), (61582, 342704), (85676, 246328), (123164, 171352)]