21111989520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2837633}}^1$

素因数の和:2837680

約数の個数: 80

約数和(自身を含む): 67558390272

約数和(自身を除く): 46446400752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2837633, 5675266, 8512899, 11350532, 14188165, 17025798, 22701064, 28376330, 34051596, 42564495, 45402128, 56752660, 68103192, 85128990, 87966623, 113505320, 136206384, 170257980, 175933246, 227010640, 263899869, 340515960, 351866492, 439833115, 527799738, 681031920, 703732984, 879666230, 1055599476, 1319499345, 1407465968, 1759332460, 2111198952, 2638998690, 3518664920, 4222397904, 5277997380, 7037329840, 10555994760, 21111989520]

約数ペア:

[(1, 21111989520), (2, 10555994760), (3, 7037329840), (4, 5277997380), (5, 4222397904), (6, 3518664920), (8, 2638998690), (10, 2111198952), (12, 1759332460), (15, 1407465968), (16, 1319499345), (20, 1055599476), (24, 879666230), (30, 703732984), (31, 681031920), (40, 527799738), (48, 439833115), (60, 351866492), (62, 340515960), (80, 263899869), (93, 227010640), (120, 175933246), (124, 170257980), (155, 136206384), (186, 113505320), (240, 87966623), (248, 85128990), (310, 68103192), (372, 56752660), (465, 45402128), (496, 42564495), (620, 34051596), (744, 28376330), (930, 22701064), (1240, 17025798), (1488, 14188165), (1860, 11350532), (2480, 8512899), (3720, 5675266), (7440, 2837633)]