21471528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68819}}^1$

素因数の和:68841

約数の個数: 32

約数和(自身を含む): 57808800

約数和(自身を除く): 36337272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68819, 137638, 206457, 275276, 412914, 550552, 825828, 894647, 1651656, 1789294, 2683941, 3578588, 5367882, 7157176, 10735764, 21471528]

約数ペア:

[(1, 21471528), (2, 10735764), (3, 7157176), (4, 5367882), (6, 3578588), (8, 2683941), (12, 1789294), (13, 1651656), (24, 894647), (26, 825828), (39, 550552), (52, 412914), (78, 275276), (104, 206457), (156, 137638), (312, 68819)]