21000833250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{2137}}^1\times {\mathrm{13103}}^1$

素因数の和:15260

約数の個数: 64

約数和(自身を含む): 52446610944

約数和(自身を除く): 31445777694

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 2137, 4274, 6411, 10685, 12822, 13103, 21370, 26206, 32055, 39309, 53425, 64110, 65515, 78618, 106850, 131030, 160275, 196545, 267125, 320550, 327575, 393090, 534250, 655150, 801375, 982725, 1602750, 1637875, 1965450, 3275750, 4913625, 9827250, 28001111, 56002222, 84003333, 140005555, 168006666, 280011110, 420016665, 700027775, 840033330, 1400055550, 2100083325, 3500138875, 4200166650, 7000277750, 10500416625, 21000833250]

約数ペア:

[(1, 21000833250), (2, 10500416625), (3, 7000277750), (5, 4200166650), (6, 3500138875), (10, 2100083325), (15, 1400055550), (25, 840033330), (30, 700027775), (50, 420016665), (75, 280011110), (125, 168006666), (150, 140005555), (250, 84003333), (375, 56002222), (750, 28001111), (2137, 9827250), (4274, 4913625), (6411, 3275750), (10685, 1965450), (12822, 1637875), (13103, 1602750), (21370, 982725), (26206, 801375), (32055, 655150), (39309, 534250), (53425, 393090), (64110, 327575), (65515, 320550), (78618, 267125), (106850, 196545), (131030, 160275)]