21203880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176699}}^1$

素因数の和:176713

約数の個数: 32

約数和(自身を含む): 63612000

約数和(自身を除く): 42408120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176699, 353398, 530097, 706796, 883495, 1060194, 1413592, 1766990, 2120388, 2650485, 3533980, 4240776, 5300970, 7067960, 10601940, 21203880]

約数ペア:

[(1, 21203880), (2, 10601940), (3, 7067960), (4, 5300970), (5, 4240776), (6, 3533980), (8, 2650485), (10, 2120388), (12, 1766990), (15, 1413592), (20, 1060194), (24, 883495), (30, 706796), (40, 530097), (60, 353398), (120, 176699)]