21857100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 64818768

約数和(自身を除く): 42961668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1777, 2050, 2460, 3075, 3554, 4100, 5331, 6150, 7108, 8885, 10662, 12300, 17770, 21324, 26655, 35540, 44425, 53310, 72857, 88850, 106620, 133275, 145714, 177700, 218571, 266550, 291428, 364285, 437142, 533100, 728570, 874284, 1092855, 1457140, 1821425, 2185710, 3642850, 4371420, 5464275, 7285700, 10928550, 21857100]

約数ペア:

[(1, 21857100), (2, 10928550), (3, 7285700), (4, 5464275), (5, 4371420), (6, 3642850), (10, 2185710), (12, 1821425), (15, 1457140), (20, 1092855), (25, 874284), (30, 728570), (41, 533100), (50, 437142), (60, 364285), (75, 291428), (82, 266550), (100, 218571), (123, 177700), (150, 145714), (164, 133275), (205, 106620), (246, 88850), (300, 72857), (410, 53310), (492, 44425), (615, 35540), (820, 26655), (1025, 21324), (1230, 17770), (1777, 12300), (2050, 10662), (2460, 8885), (3075, 7108), (3554, 6150), (4100, 5331)]