21468045004

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1\times {\mathrm{12457}}^1$

素因数の和:13538

約数の個数: 48

約数和(自身を含む): 43686717760

約数和(自身を除く): 22218672756

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1009, 1708, 2018, 4036, 7063, 12457, 14126, 24914, 28252, 49828, 61549, 87199, 123098, 174398, 246196, 348796, 430843, 759877, 861686, 1519754, 1723372, 3039508, 5319139, 10638278, 12569113, 21276556, 25138226, 50276452, 87983791, 175967582, 351935164, 766715893, 1533431786, 3066863572, 5367011251, 10734022502, 21468045004]

約数ペア:

[(1, 21468045004), (2, 10734022502), (4, 5367011251), (7, 3066863572), (14, 1533431786), (28, 766715893), (61, 351935164), (122, 175967582), (244, 87983791), (427, 50276452), (854, 25138226), (1009, 21276556), (1708, 12569113), (2018, 10638278), (4036, 5319139), (7063, 3039508), (12457, 1723372), (14126, 1519754), (24914, 861686), (28252, 759877), (49828, 430843), (61549, 348796), (87199, 246196), (123098, 174398)]