21440550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7523}}^1$

素因数の和:7557

約数の個数: 48

約数和(自身を含む): 55978560

約数和(自身を除く): 34538010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7523, 15046, 22569, 37615, 45138, 75230, 112845, 142937, 188075, 225690, 285874, 376150, 428811, 564225, 714685, 857622, 1128450, 1429370, 2144055, 3573425, 4288110, 7146850, 10720275, 21440550]

約数ペア:

[(1, 21440550), (2, 10720275), (3, 7146850), (5, 4288110), (6, 3573425), (10, 2144055), (15, 1429370), (19, 1128450), (25, 857622), (30, 714685), (38, 564225), (50, 428811), (57, 376150), (75, 285874), (95, 225690), (114, 188075), (150, 142937), (190, 112845), (285, 75230), (475, 45138), (570, 37615), (950, 22569), (1425, 15046), (2850, 7523)]