21273875

素因数分解:

$5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 9861229

約数列:

[1, 5, 7, 25, 35, 41, 125, 175, 205, 287, 593, 875, 1025, 1435, 2965, 4151, 5125, 7175, 14825, 20755, 24313, 35875, 74125, 103775, 121565, 170191, 518875, 607825, 850955, 3039125, 4254775, 21273875]

約数ペア:

[(1, 21273875), (5, 4254775), (7, 3039125), (25, 850955), (35, 607825), (41, 518875), (125, 170191), (175, 121565), (205, 103775), (287, 74125), (593, 35875), (875, 24313), (1025, 20755), (1435, 14825), (2965, 7175), (4151, 5125)]