21551166180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13303189}}^1$

素因数の和:13303210

約数の個数: 60

約数和(自身を含む): 67606811580

約数和(自身を除く): 46055645400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13303189, 26606378, 39909567, 53212756, 66515945, 79819134, 119728701, 133031890, 159638268, 199547835, 239457402, 266063780, 359186103, 399095670, 478914804, 598643505, 718372206, 798191340, 1077558309, 1197287010, 1436744412, 1795930515, 2155116618, 2394574020, 3591861030, 4310233236, 5387791545, 7183722060, 10775583090, 21551166180]

約数ペア:

[(1, 21551166180), (2, 10775583090), (3, 7183722060), (4, 5387791545), (5, 4310233236), (6, 3591861030), (9, 2394574020), (10, 2155116618), (12, 1795930515), (15, 1436744412), (18, 1197287010), (20, 1077558309), (27, 798191340), (30, 718372206), (36, 598643505), (45, 478914804), (54, 399095670), (60, 359186103), (81, 266063780), (90, 239457402), (108, 199547835), (135, 159638268), (162, 133031890), (180, 119728701), (270, 79819134), (324, 66515945), (405, 53212756), (540, 39909567), (810, 26606378), (1620, 13303189)]