21707044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 20225756

約数列:

[1, 2, 4, 19, 38, 47, 59, 76, 94, 103, 118, 188, 206, 236, 412, 893, 1121, 1786, 1957, 2242, 2773, 3572, 3914, 4484, 4841, 5546, 6077, 7828, 9682, 11092, 12154, 19364, 24308, 52687, 91979, 105374, 115463, 183958, 210748, 230926, 285619, 367916, 461852, 571238, 1142476, 5426761, 10853522, 21707044]

約数ペア:

[(1, 21707044), (2, 10853522), (4, 5426761), (19, 1142476), (38, 571238), (47, 461852), (59, 367916), (76, 285619), (94, 230926), (103, 210748), (118, 183958), (188, 115463), (206, 105374), (236, 91979), (412, 52687), (893, 24308), (1121, 19364), (1786, 12154), (1957, 11092), (2242, 9682), (2773, 7828), (3572, 6077), (3914, 5546), (4484, 4841)]