21754628

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6529}}^1$

素因数の和:6564

約数の個数: 36

約数和(自身を含む): 46898460

約数和(自身を除く): 25143832

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6529, 13058, 26116, 45703, 91406, 110993, 182812, 221986, 319921, 443972, 639842, 776951, 1279684, 1553902, 3107804, 5438657, 10877314, 21754628]

約数ペア:

[(1, 21754628), (2, 10877314), (4, 5438657), (7, 3107804), (14, 1553902), (17, 1279684), (28, 776951), (34, 639842), (49, 443972), (68, 319921), (98, 221986), (119, 182812), (196, 110993), (238, 91406), (476, 45703), (833, 26116), (1666, 13058), (3332, 6529)]