21734200

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 50844960

約数和(自身を除く): 29110760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 401, 542, 802, 1084, 1355, 1604, 2005, 2168, 2710, 3208, 4010, 5420, 6775, 8020, 10025, 10840, 13550, 16040, 20050, 27100, 40100, 54200, 80200, 108671, 217342, 434684, 543355, 869368, 1086710, 2173420, 2716775, 4346840, 5433550, 10867100, 21734200]

約数ペア:

[(1, 21734200), (2, 10867100), (4, 5433550), (5, 4346840), (8, 2716775), (10, 2173420), (20, 1086710), (25, 869368), (40, 543355), (50, 434684), (100, 217342), (200, 108671), (271, 80200), (401, 54200), (542, 40100), (802, 27100), (1084, 20050), (1355, 16040), (1604, 13550), (2005, 10840), (2168, 10025), (2710, 8020), (3208, 6775), (4010, 5420)]