21903670525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{5023}}^1$

素因数の和:5302

約数の個数: 48

約数和(自身を含む): 30119643648

約数和(自身を除く): 8215973123

約数列:

[1, 5, 11, 25, 55, 101, 157, 275, 505, 785, 1111, 1727, 2525, 3925, 5023, 5555, 8635, 15857, 25115, 27775, 43175, 55253, 79285, 125575, 174427, 276265, 396425, 507323, 788611, 872135, 1381325, 2536615, 3943055, 4360675, 5580553, 8674721, 12683075, 19715275, 27902765, 43373605, 79649711, 139513825, 216868025, 398248555, 876146821, 1991242775, 4380734105, 21903670525]

約数ペア:

[(1, 21903670525), (5, 4380734105), (11, 1991242775), (25, 876146821), (55, 398248555), (101, 216868025), (157, 139513825), (275, 79649711), (505, 43373605), (785, 27902765), (1111, 19715275), (1727, 12683075), (2525, 8674721), (3925, 5580553), (5023, 4360675), (5555, 3943055), (8635, 2536615), (15857, 1381325), (25115, 872135), (27775, 788611), (43175, 507323), (55253, 396425), (79285, 276265), (125575, 174427)]