21404202376

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{319237}}^1$

素因数の和:319306

約数の個数: 48

約数和(自身を含む): 44102729700

約数和(自身を除く): 22698527324

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 289, 493, 578, 986, 1156, 1972, 2312, 3944, 8381, 16762, 33524, 67048, 319237, 638474, 1276948, 2553896, 5427029, 9257873, 10854058, 18515746, 21708116, 37031492, 43416232, 74062984, 92259493, 157383841, 184518986, 314767682, 369037972, 629535364, 738075944, 1259070728, 2675525297, 5351050594, 10702101188, 21404202376]

約数ペア:

[(1, 21404202376), (2, 10702101188), (4, 5351050594), (8, 2675525297), (17, 1259070728), (29, 738075944), (34, 629535364), (58, 369037972), (68, 314767682), (116, 184518986), (136, 157383841), (232, 92259493), (289, 74062984), (493, 43416232), (578, 37031492), (986, 21708116), (1156, 18515746), (1972, 10854058), (2312, 9257873), (3944, 5427029), (8381, 2553896), (16762, 1276948), (33524, 638474), (67048, 319237)]