21637968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 61710336

約数和(自身を除く): 40072368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 107, 132, 176, 214, 264, 321, 383, 428, 528, 642, 766, 856, 1149, 1177, 1284, 1532, 1712, 2298, 2354, 2568, 3064, 3531, 4213, 4596, 4708, 5136, 6128, 7062, 8426, 9192, 9416, 12639, 14124, 16852, 18384, 18832, 25278, 28248, 33704, 40981, 50556, 56496, 67408, 81962, 101112, 122943, 163924, 202224, 245886, 327848, 450791, 491772, 655696, 901582, 983544, 1352373, 1803164, 1967088, 2704746, 3606328, 5409492, 7212656, 10818984, 21637968]

約数ペア:

[(1, 21637968), (2, 10818984), (3, 7212656), (4, 5409492), (6, 3606328), (8, 2704746), (11, 1967088), (12, 1803164), (16, 1352373), (22, 983544), (24, 901582), (33, 655696), (44, 491772), (48, 450791), (66, 327848), (88, 245886), (107, 202224), (132, 163924), (176, 122943), (214, 101112), (264, 81962), (321, 67408), (383, 56496), (428, 50556), (528, 40981), (642, 33704), (766, 28248), (856, 25278), (1149, 18832), (1177, 18384), (1284, 16852), (1532, 14124), (1712, 12639), (2298, 9416), (2354, 9192), (2568, 8426), (3064, 7062), (3531, 6128), (4213, 5136), (4596, 4708)]