21426031920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2879843}}^1$

素因数の和:2879890

約数の個数: 80

約数和(自身を含む): 68563325952

約数和(自身を除く): 47137294032

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, 2879843, 5759686, 8639529, 11519372, 14399215, 17279058, 23038744, 28798430, 34558116, 43197645, 46077488, 57596860, 69116232, 86395290, 89275133, 115193720, 138232464, 172790580, 178550266, 230387440, 267825399, 345581160, 357100532, 446375665, 535650798, 691162320, 714201064, 892751330, 1071301596, 1339126995, 1428402128, 1785502660, 2142603192, 2678253990, 3571005320, 4285206384, 5356507980, 7142010640, 10713015960, 21426031920]

約数ペア:

[(1, 21426031920), (2, 10713015960), (3, 7142010640), (4, 5356507980), (5, 4285206384), (6, 3571005320), (8, 2678253990), (10, 2142603192), (12, 1785502660), (15, 1428402128), (16, 1339126995), (20, 1071301596), (24, 892751330), (30, 714201064), (31, 691162320), (40, 535650798), (48, 446375665), (60, 357100532), (62, 345581160), (80, 267825399), (93, 230387440), (120, 178550266), (124, 172790580), (155, 138232464), (186, 115193720), (240, 89275133), (248, 86395290), (310, 69116232), (372, 57596860), (465, 46077488), (496, 43197645), (620, 34558116), (744, 28798430), (930, 23038744), (1240, 17279058), (1488, 14399215), (1860, 11519372), (2480, 8639529), (3720, 5759686), (7440, 2879843)]