21426960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 67388544

約数和(自身を除く): 45961584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1223, 1460, 1752, 2190, 2446, 2920, 3504, 3669, 4380, 4892, 5840, 6115, 7338, 8760, 9784, 12230, 14676, 17520, 18345, 19568, 24460, 29352, 36690, 48920, 58704, 73380, 89279, 97840, 146760, 178558, 267837, 293520, 357116, 446395, 535674, 714232, 892790, 1071348, 1339185, 1428464, 1785580, 2142696, 2678370, 3571160, 4285392, 5356740, 7142320, 10713480, 21426960]

約数ペア:

[(1, 21426960), (2, 10713480), (3, 7142320), (4, 5356740), (5, 4285392), (6, 3571160), (8, 2678370), (10, 2142696), (12, 1785580), (15, 1428464), (16, 1339185), (20, 1071348), (24, 892790), (30, 714232), (40, 535674), (48, 446395), (60, 357116), (73, 293520), (80, 267837), (120, 178558), (146, 146760), (219, 97840), (240, 89279), (292, 73380), (365, 58704), (438, 48920), (584, 36690), (730, 29352), (876, 24460), (1095, 19568), (1168, 18345), (1223, 17520), (1460, 14676), (1752, 12230), (2190, 9784), (2446, 8760), (2920, 7338), (3504, 6115), (3669, 5840), (4380, 4892)]