21265764660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16877591}}^1$

素因数の和:16877613

約数の個数: 72

約数和(自身を含む): 73721321856

約数和(自身を除く): 52455557196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16877591, 33755182, 50632773, 67510364, 84387955, 101265546, 118143137, 151898319, 168775910, 202531092, 236286274, 253163865, 303796638, 337551820, 354429411, 472572548, 506327730, 590715685, 607593276, 708858822, 759491595, 1012655460, 1063288233, 1181431370, 1417717644, 1518983190, 1772147055, 2126576466, 2362862740, 3037966380, 3544294110, 4253152932, 5316441165, 7088588220, 10632882330, 21265764660]

約数ペア:

[(1, 21265764660), (2, 10632882330), (3, 7088588220), (4, 5316441165), (5, 4253152932), (6, 3544294110), (7, 3037966380), (9, 2362862740), (10, 2126576466), (12, 1772147055), (14, 1518983190), (15, 1417717644), (18, 1181431370), (20, 1063288233), (21, 1012655460), (28, 759491595), (30, 708858822), (35, 607593276), (36, 590715685), (42, 506327730), (45, 472572548), (60, 354429411), (63, 337551820), (70, 303796638), (84, 253163865), (90, 236286274), (105, 202531092), (126, 168775910), (140, 151898319), (180, 118143137), (210, 101265546), (252, 84387955), (315, 67510364), (420, 50632773), (630, 33755182), (1260, 16877591)]