21708360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1$

素因数の和:1347

約数の個数: 96

約数和(自身を含む): 72109440

約数和(自身を除く): 50401080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1283, 1410, 1692, 1880, 2115, 2566, 2820, 3384, 3849, 4230, 5132, 5640, 6415, 7698, 8460, 10264, 11547, 12830, 15396, 16920, 19245, 23094, 25660, 30792, 38490, 46188, 51320, 57735, 60301, 76980, 92376, 115470, 120602, 153960, 180903, 230940, 241204, 301505, 361806, 461880, 482408, 542709, 603010, 723612, 904515, 1085418, 1206020, 1447224, 1809030, 2170836, 2412040, 2713545, 3618060, 4341672, 5427090, 7236120, 10854180, 21708360]

約数ペア:

[(1, 21708360), (2, 10854180), (3, 7236120), (4, 5427090), (5, 4341672), (6, 3618060), (8, 2713545), (9, 2412040), (10, 2170836), (12, 1809030), (15, 1447224), (18, 1206020), (20, 1085418), (24, 904515), (30, 723612), (36, 603010), (40, 542709), (45, 482408), (47, 461880), (60, 361806), (72, 301505), (90, 241204), (94, 230940), (120, 180903), (141, 153960), (180, 120602), (188, 115470), (235, 92376), (282, 76980), (360, 60301), (376, 57735), (423, 51320), (470, 46188), (564, 38490), (705, 30792), (846, 25660), (940, 23094), (1128, 19245), (1283, 16920), (1410, 15396), (1692, 12830), (1880, 11547), (2115, 10264), (2566, 8460), (2820, 7698), (3384, 6415), (3849, 5640), (4230, 5132)]