21411360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14869}}^1$

素因数の和:14890

約数の個数: 72

約数和(自身を含む): 73071180

約数和(自身を除く): 51659820

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, 14869, 29738, 44607, 59476, 74345, 89214, 118952, 133821, 148690, 178428, 223035, 237904, 267642, 297380, 356856, 446070, 475808, 535284, 594760, 669105, 713712, 892140, 1070568, 1189520, 1338210, 1427424, 1784280, 2141136, 2379040, 2676420, 3568560, 4282272, 5352840, 7137120, 10705680, 21411360]

約数ペア:

[(1, 21411360), (2, 10705680), (3, 7137120), (4, 5352840), (5, 4282272), (6, 3568560), (8, 2676420), (9, 2379040), (10, 2141136), (12, 1784280), (15, 1427424), (16, 1338210), (18, 1189520), (20, 1070568), (24, 892140), (30, 713712), (32, 669105), (36, 594760), (40, 535284), (45, 475808), (48, 446070), (60, 356856), (72, 297380), (80, 267642), (90, 237904), (96, 223035), (120, 178428), (144, 148690), (160, 133821), (180, 118952), (240, 89214), (288, 74345), (360, 59476), (480, 44607), (720, 29738), (1440, 14869)]