21124928

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 56

約数和(自身を含む): 47024544

約数和(自身を除く): 25899616

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 148, 176, 296, 352, 407, 592, 704, 811, 814, 1184, 1622, 1628, 2368, 3244, 3256, 6488, 6512, 8921, 12976, 13024, 17842, 25952, 26048, 30007, 35684, 51904, 60014, 71368, 120028, 142736, 240056, 285472, 330077, 480112, 570944, 660154, 960224, 1320308, 1920448, 2640616, 5281232, 10562464, 21124928]

約数ペア:

[(1, 21124928), (2, 10562464), (4, 5281232), (8, 2640616), (11, 1920448), (16, 1320308), (22, 960224), (32, 660154), (37, 570944), (44, 480112), (64, 330077), (74, 285472), (88, 240056), (148, 142736), (176, 120028), (296, 71368), (352, 60014), (407, 51904), (592, 35684), (704, 30007), (811, 26048), (814, 25952), (1184, 17842), (1622, 13024), (1628, 12976), (2368, 8921), (3244, 6512), (3256, 6488)]