21731040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15091}}^1$

素因数の和:15112

約数の個数: 72

約数和(自身を含む): 74162088

約数和(自身を除く): 52431048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 15091, 30182, 45273, 60364, 75455, 90546, 120728, 135819, 150910, 181092, 226365, 241456, 271638, 301820, 362184, 452730, 482912, 543276, 603640, 679095, 724368, 905460, 1086552, 1207280, 1358190, 1448736, 1810920, 2173104, 2414560, 2716380, 3621840, 4346208, 5432760, 7243680, 10865520, 21731040]

約数ペア:

[(1, 21731040), (2, 10865520), (3, 7243680), (4, 5432760), (5, 4346208), (6, 3621840), (8, 2716380), (9, 2414560), (10, 2173104), (12, 1810920), (15, 1448736), (16, 1358190), (18, 1207280), (20, 1086552), (24, 905460), (30, 724368), (32, 679095), (36, 603640), (40, 543276), (45, 482912), (48, 452730), (60, 362184), (72, 301820), (80, 271638), (90, 241456), (96, 226365), (120, 181092), (144, 150910), (160, 135819), (180, 120728), (240, 90546), (288, 75455), (360, 60364), (480, 45273), (720, 30182), (1440, 15091)]