21898992

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 61281792

約数和(自身を除く): 39382800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 47, 48, 51, 68, 94, 102, 136, 141, 188, 204, 272, 282, 376, 408, 564, 571, 752, 799, 816, 1128, 1142, 1598, 1713, 2256, 2284, 2397, 3196, 3426, 4568, 4794, 6392, 6852, 9136, 9588, 9707, 12784, 13704, 19176, 19414, 26837, 27408, 29121, 38352, 38828, 53674, 58242, 77656, 80511, 107348, 116484, 155312, 161022, 214696, 232968, 322044, 429392, 456229, 465936, 644088, 912458, 1288176, 1368687, 1824916, 2737374, 3649832, 5474748, 7299664, 10949496, 21898992]

約数ペア:

[(1, 21898992), (2, 10949496), (3, 7299664), (4, 5474748), (6, 3649832), (8, 2737374), (12, 1824916), (16, 1368687), (17, 1288176), (24, 912458), (34, 644088), (47, 465936), (48, 456229), (51, 429392), (68, 322044), (94, 232968), (102, 214696), (136, 161022), (141, 155312), (188, 116484), (204, 107348), (272, 80511), (282, 77656), (376, 58242), (408, 53674), (564, 38828), (571, 38352), (752, 29121), (799, 27408), (816, 26837), (1128, 19414), (1142, 19176), (1598, 13704), (1713, 12784), (2256, 9707), (2284, 9588), (2397, 9136), (3196, 6852), (3426, 6392), (4568, 4794)]