21294516

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1583}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 31927884

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 76, 114, 118, 177, 228, 236, 354, 708, 1121, 1583, 2242, 3166, 3363, 4484, 4749, 6332, 6726, 9498, 13452, 18996, 30077, 60154, 90231, 93397, 120308, 180462, 186794, 280191, 360924, 373588, 560382, 1120764, 1774543, 3549086, 5323629, 7098172, 10647258, 21294516]

約数ペア:

[(1, 21294516), (2, 10647258), (3, 7098172), (4, 5323629), (6, 3549086), (12, 1774543), (19, 1120764), (38, 560382), (57, 373588), (59, 360924), (76, 280191), (114, 186794), (118, 180462), (177, 120308), (228, 93397), (236, 90231), (354, 60154), (708, 30077), (1121, 18996), (1583, 13452), (2242, 9498), (3166, 6726), (3363, 6332), (4484, 4749)]