21825490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 41598720

約数和(自身を除く): 19773230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 367, 626, 734, 1565, 1835, 3130, 3670, 5947, 6973, 11894, 13946, 29735, 34865, 59470, 69730, 114871, 229742, 574355, 1148710, 2182549, 4365098, 10912745, 21825490]

約数ペア:

[(1, 21825490), (2, 10912745), (5, 4365098), (10, 2182549), (19, 1148710), (38, 574355), (95, 229742), (190, 114871), (313, 69730), (367, 59470), (626, 34865), (734, 29735), (1565, 13946), (1835, 11894), (3130, 6973), (3670, 5947)]