21105936

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1540

約数の個数: 60

約数和(自身を含む): 59682688

約数和(自身を除く): 38576752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1423, 1648, 1854, 2472, 2846, 3708, 4269, 4944, 5692, 7416, 8538, 11384, 12807, 14832, 17076, 22768, 25614, 34152, 51228, 68304, 102456, 146569, 204912, 293138, 439707, 586276, 879414, 1172552, 1319121, 1758828, 2345104, 2638242, 3517656, 5276484, 7035312, 10552968, 21105936]

約数ペア:

[(1, 21105936), (2, 10552968), (3, 7035312), (4, 5276484), (6, 3517656), (8, 2638242), (9, 2345104), (12, 1758828), (16, 1319121), (18, 1172552), (24, 879414), (36, 586276), (48, 439707), (72, 293138), (103, 204912), (144, 146569), (206, 102456), (309, 68304), (412, 51228), (618, 34152), (824, 25614), (927, 22768), (1236, 17076), (1423, 14832), (1648, 12807), (1854, 11384), (2472, 8538), (2846, 7416), (3708, 5692), (4269, 4944)]