30931908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21661}}^1$

素因数の和:21692

約数の個数: 48

約数和(自身を含む): 87341184

約数和(自身を除く): 56409276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 21661, 43322, 64983, 86644, 129966, 151627, 259932, 303254, 368237, 454881, 606508, 736474, 909762, 1104711, 1472948, 1819524, 2209422, 2577659, 4418844, 5155318, 7732977, 10310636, 15465954, 30931908]

約数ペア:

[(1, 30931908), (2, 15465954), (3, 10310636), (4, 7732977), (6, 5155318), (7, 4418844), (12, 2577659), (14, 2209422), (17, 1819524), (21, 1472948), (28, 1104711), (34, 909762), (42, 736474), (51, 606508), (68, 454881), (84, 368237), (102, 303254), (119, 259932), (204, 151627), (238, 129966), (357, 86644), (476, 64983), (714, 43322), (1428, 21661)]