21639450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 96

約数和(自身を含む): 63103104

約数和(自身を除く): 41463654

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 37, 42, 50, 70, 74, 75, 105, 111, 150, 175, 185, 210, 222, 259, 350, 370, 518, 525, 555, 557, 777, 925, 1050, 1110, 1114, 1295, 1554, 1671, 1850, 2590, 2775, 2785, 3342, 3885, 3899, 5550, 5570, 6475, 7770, 7798, 8355, 11697, 12950, 13925, 16710, 19425, 19495, 20609, 23394, 27850, 38850, 38990, 41218, 41775, 58485, 61827, 83550, 97475, 103045, 116970, 123654, 144263, 194950, 206090, 288526, 292425, 309135, 432789, 515225, 584850, 618270, 721315, 865578, 1030450, 1442630, 1545675, 2163945, 3091350, 3606575, 4327890, 7213150, 10819725, 21639450]

約数ペア:

[(1, 21639450), (2, 10819725), (3, 7213150), (5, 4327890), (6, 3606575), (7, 3091350), (10, 2163945), (14, 1545675), (15, 1442630), (21, 1030450), (25, 865578), (30, 721315), (35, 618270), (37, 584850), (42, 515225), (50, 432789), (70, 309135), (74, 292425), (75, 288526), (105, 206090), (111, 194950), (150, 144263), (175, 123654), (185, 116970), (210, 103045), (222, 97475), (259, 83550), (350, 61827), (370, 58485), (518, 41775), (525, 41218), (555, 38990), (557, 38850), (777, 27850), (925, 23394), (1050, 20609), (1110, 19495), (1114, 19425), (1295, 16710), (1554, 13925), (1671, 12950), (1850, 11697), (2590, 8355), (2775, 7798), (2785, 7770), (3342, 6475), (3885, 5570), (3899, 5550)]