21000368670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{53719}}^1$

素因数の和:53969

約数の個数: 64

約数和(自身を含む): 51333972480

約数和(自身を除く): 30333603810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 157, 166, 249, 314, 415, 471, 498, 785, 830, 942, 1245, 1570, 2355, 2490, 4710, 13031, 26062, 39093, 53719, 65155, 78186, 107438, 130310, 161157, 195465, 268595, 322314, 390930, 537190, 805785, 1611570, 4458677, 8433883, 8917354, 13376031, 16867766, 22293385, 25301649, 26752062, 42169415, 44586770, 50603298, 66880155, 84338830, 126508245, 133760310, 253016490, 700012289, 1400024578, 2100036867, 3500061445, 4200073734, 7000122890, 10500184335, 21000368670]

約数ペア:

[(1, 21000368670), (2, 10500184335), (3, 7000122890), (5, 4200073734), (6, 3500061445), (10, 2100036867), (15, 1400024578), (30, 700012289), (83, 253016490), (157, 133760310), (166, 126508245), (249, 84338830), (314, 66880155), (415, 50603298), (471, 44586770), (498, 42169415), (785, 26752062), (830, 25301649), (942, 22293385), (1245, 16867766), (1570, 13376031), (2355, 8917354), (2490, 8433883), (4710, 4458677), (13031, 1611570), (26062, 805785), (39093, 537190), (53719, 390930), (65155, 322314), (78186, 268595), (107438, 195465), (130310, 161157)]