21084900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 61975200

約数和(自身を除く): 40890300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 67, 75, 100, 134, 150, 201, 268, 300, 335, 402, 670, 804, 1005, 1049, 1340, 1675, 2010, 2098, 3147, 3350, 4020, 4196, 5025, 5245, 6294, 6700, 10050, 10490, 12588, 15735, 20100, 20980, 26225, 31470, 52450, 62940, 70283, 78675, 104900, 140566, 157350, 210849, 281132, 314700, 351415, 421698, 702830, 843396, 1054245, 1405660, 1757075, 2108490, 3514150, 4216980, 5271225, 7028300, 10542450, 21084900]

約数ペア:

[(1, 21084900), (2, 10542450), (3, 7028300), (4, 5271225), (5, 4216980), (6, 3514150), (10, 2108490), (12, 1757075), (15, 1405660), (20, 1054245), (25, 843396), (30, 702830), (50, 421698), (60, 351415), (67, 314700), (75, 281132), (100, 210849), (134, 157350), (150, 140566), (201, 104900), (268, 78675), (300, 70283), (335, 62940), (402, 52450), (670, 31470), (804, 26225), (1005, 20980), (1049, 20100), (1340, 15735), (1675, 12588), (2010, 10490), (2098, 10050), (3147, 6700), (3350, 6294), (4020, 5245), (4196, 5025)]