21662040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 65691360

約数和(自身を除く): 44029320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1861, 1940, 2328, 2910, 3722, 3880, 5583, 5820, 7444, 9305, 11166, 11640, 14888, 18610, 22332, 27915, 37220, 44664, 55830, 74440, 111660, 180517, 223320, 361034, 541551, 722068, 902585, 1083102, 1444136, 1805170, 2166204, 2707755, 3610340, 4332408, 5415510, 7220680, 10831020, 21662040]

約数ペア:

[(1, 21662040), (2, 10831020), (3, 7220680), (4, 5415510), (5, 4332408), (6, 3610340), (8, 2707755), (10, 2166204), (12, 1805170), (15, 1444136), (20, 1083102), (24, 902585), (30, 722068), (40, 541551), (60, 361034), (97, 223320), (120, 180517), (194, 111660), (291, 74440), (388, 55830), (485, 44664), (582, 37220), (776, 27915), (970, 22332), (1164, 18610), (1455, 14888), (1861, 11640), (1940, 11166), (2328, 9305), (2910, 7444), (3722, 5820), (3880, 5583)]