21365250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 54317952

約数和(自身を除く): 32952702

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 125, 150, 183, 250, 305, 366, 375, 467, 610, 750, 915, 934, 1401, 1525, 1830, 2335, 2802, 3050, 4575, 4670, 7005, 7625, 9150, 11675, 14010, 15250, 22875, 23350, 28487, 35025, 45750, 56974, 58375, 70050, 85461, 116750, 142435, 170922, 175125, 284870, 350250, 427305, 712175, 854610, 1424350, 2136525, 3560875, 4273050, 7121750, 10682625, 21365250]

約数ペア:

[(1, 21365250), (2, 10682625), (3, 7121750), (5, 4273050), (6, 3560875), (10, 2136525), (15, 1424350), (25, 854610), (30, 712175), (50, 427305), (61, 350250), (75, 284870), (122, 175125), (125, 170922), (150, 142435), (183, 116750), (250, 85461), (305, 70050), (366, 58375), (375, 56974), (467, 45750), (610, 35025), (750, 28487), (915, 23350), (934, 22875), (1401, 15250), (1525, 14010), (1830, 11675), (2335, 9150), (2802, 7625), (3050, 7005), (4575, 4670)]