21974744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 49001760

約数和(自身を除く): 27027016

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 37, 44, 68, 74, 88, 136, 148, 187, 296, 374, 397, 407, 629, 748, 794, 814, 1258, 1496, 1588, 1628, 2516, 3176, 3256, 4367, 5032, 6749, 6919, 8734, 13498, 13838, 14689, 17468, 26996, 27676, 29378, 34936, 53992, 55352, 58756, 74239, 117512, 148478, 161579, 249713, 296956, 323158, 499426, 593912, 646316, 998852, 1292632, 1997704, 2746843, 5493686, 10987372, 21974744]

約数ペア:

[(1, 21974744), (2, 10987372), (4, 5493686), (8, 2746843), (11, 1997704), (17, 1292632), (22, 998852), (34, 646316), (37, 593912), (44, 499426), (68, 323158), (74, 296956), (88, 249713), (136, 161579), (148, 148478), (187, 117512), (296, 74239), (374, 58756), (397, 55352), (407, 53992), (629, 34936), (748, 29378), (794, 27676), (814, 26996), (1258, 17468), (1496, 14689), (1588, 13838), (1628, 13498), (2516, 8734), (3176, 6919), (3256, 6749), (4367, 5032)]