21433125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 43186176

約数和(自身を除く): 21753051

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 71, 75, 105, 115, 125, 161, 175, 213, 345, 355, 375, 483, 497, 525, 575, 625, 805, 875, 1065, 1491, 1633, 1725, 1775, 1875, 2415, 2485, 2625, 2875, 4025, 4375, 4899, 5325, 7455, 8165, 8625, 8875, 11431, 12075, 12425, 13125, 14375, 20125, 24495, 26625, 34293, 37275, 40825, 43125, 44375, 57155, 60375, 62125, 100625, 122475, 133125, 171465, 186375, 204125, 285775, 301875, 310625, 612375, 857325, 931875, 1020625, 1428875, 3061875, 4286625, 7144375, 21433125]

約数ペア:

[(1, 21433125), (3, 7144375), (5, 4286625), (7, 3061875), (15, 1428875), (21, 1020625), (23, 931875), (25, 857325), (35, 612375), (69, 310625), (71, 301875), (75, 285775), (105, 204125), (115, 186375), (125, 171465), (161, 133125), (175, 122475), (213, 100625), (345, 62125), (355, 60375), (375, 57155), (483, 44375), (497, 43125), (525, 40825), (575, 37275), (625, 34293), (805, 26625), (875, 24495), (1065, 20125), (1491, 14375), (1633, 13125), (1725, 12425), (1775, 12075), (1875, 11431), (2415, 8875), (2485, 8625), (2625, 8165), (2875, 7455), (4025, 5325), (4375, 4899)]