21567390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3253}}^1$

素因数の和:3293

約数の個数: 64

約数和(自身を含む): 59040576

約数和(自身を除く): 37473186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3253, 3315, 6506, 6630, 9759, 16265, 19518, 32530, 42289, 48795, 55301, 84578, 97590, 110602, 126867, 165903, 211445, 253734, 276505, 331806, 422890, 553010, 634335, 718913, 829515, 1268670, 1437826, 1659030, 2156739, 3594565, 4313478, 7189130, 10783695, 21567390]

約数ペア:

[(1, 21567390), (2, 10783695), (3, 7189130), (5, 4313478), (6, 3594565), (10, 2156739), (13, 1659030), (15, 1437826), (17, 1268670), (26, 829515), (30, 718913), (34, 634335), (39, 553010), (51, 422890), (65, 331806), (78, 276505), (85, 253734), (102, 211445), (130, 165903), (170, 126867), (195, 110602), (221, 97590), (255, 84578), (390, 55301), (442, 48795), (510, 42289), (663, 32530), (1105, 19518), (1326, 16265), (2210, 9759), (3253, 6630), (3315, 6506)]