21620804986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:736

約数の個数: 96

約数和(自身を含む): 38630188224

約数和(自身を除く): 17009383238

約数列:

[1, 2, 11, 17, 22, 34, 61, 107, 122, 187, 214, 289, 374, 521, 578, 671, 1037, 1042, 1177, 1342, 1819, 2074, 2354, 3179, 3638, 5731, 6358, 6527, 8857, 11407, 11462, 13054, 17629, 17714, 20009, 22814, 30923, 31781, 35258, 40018, 55747, 61846, 63562, 71797, 97427, 110959, 111494, 143594, 150569, 193919, 194854, 221918, 301138, 340153, 349591, 387838, 540277, 613217, 680306, 699182, 947699, 1080554, 1220549, 1226434, 1656259, 1886303, 1895398, 2441098, 3312518, 3400567, 3772606, 5943047, 6801134, 9184709, 10424689, 11886094, 16110883, 18369418, 20749333, 20849378, 32221766, 37406237, 41498666, 57809639, 74812474, 101031799, 115619278, 177219713, 202063598, 354439426, 635906029, 982763863, 1271812058, 1965527726, 10810402493, 21620804986]

約数ペア:

[(1, 21620804986), (2, 10810402493), (11, 1965527726), (17, 1271812058), (22, 982763863), (34, 635906029), (61, 354439426), (107, 202063598), (122, 177219713), (187, 115619278), (214, 101031799), (289, 74812474), (374, 57809639), (521, 41498666), (578, 37406237), (671, 32221766), (1037, 20849378), (1042, 20749333), (1177, 18369418), (1342, 16110883), (1819, 11886094), (2074, 10424689), (2354, 9184709), (3179, 6801134), (3638, 5943047), (5731, 3772606), (6358, 3400567), (6527, 3312518), (8857, 2441098), (11407, 1895398), (11462, 1886303), (13054, 1656259), (17629, 1226434), (17714, 1220549), (20009, 1080554), (22814, 947699), (30923, 699182), (31781, 680306), (35258, 613217), (40018, 540277), (55747, 387838), (61846, 349591), (63562, 340153), (71797, 301138), (97427, 221918), (110959, 194854), (111494, 193919), (143594, 150569)]