21000539970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{968213}}^1$

素因数の和:968467

約数の個数: 48

約数和(自身を含む): 54828022392

約数和(自身を除く): 33827482422

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241, 482, 723, 1205, 1446, 2169, 2410, 3615, 4338, 7230, 10845, 21690, 968213, 1936426, 2904639, 4841065, 5809278, 8713917, 9682130, 14523195, 17427834, 29046390, 43569585, 87139170, 233339333, 466678666, 700017999, 1166696665, 1400035998, 2100053997, 2333393330, 3500089995, 4200107994, 7000179990, 10500269985, 21000539970]

約数ペア:

[(1, 21000539970), (2, 10500269985), (3, 7000179990), (5, 4200107994), (6, 3500089995), (9, 2333393330), (10, 2100053997), (15, 1400035998), (18, 1166696665), (30, 700017999), (45, 466678666), (90, 233339333), (241, 87139170), (482, 43569585), (723, 29046390), (1205, 17427834), (1446, 14523195), (2169, 9682130), (2410, 8713917), (3615, 5809278), (4338, 4841065), (7230, 2904639), (10845, 1936426), (21690, 968213)]