21631548

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 53996544

約数和(自身を除く): 32364996

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 107, 204, 214, 321, 428, 642, 991, 1284, 1819, 1982, 2973, 3638, 3964, 5457, 5946, 7276, 10914, 11892, 16847, 21828, 33694, 50541, 67388, 101082, 106037, 202164, 212074, 318111, 424148, 636222, 1272444, 1802629, 3605258, 5407887, 7210516, 10815774, 21631548]

約数ペア:

[(1, 21631548), (2, 10815774), (3, 7210516), (4, 5407887), (6, 3605258), (12, 1802629), (17, 1272444), (34, 636222), (51, 424148), (68, 318111), (102, 212074), (107, 202164), (204, 106037), (214, 101082), (321, 67388), (428, 50541), (642, 33694), (991, 21828), (1284, 16847), (1819, 11892), (1982, 10914), (2973, 7276), (3638, 5946), (3964, 5457)]