21032890660

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1\times {\mathrm{11783}}^1$

素因数の和:12540

約数の個数: 48

約数和(自身を含む): 44543520000

約数和(自身を除く): 23510629340

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 599, 745, 1198, 1490, 2396, 2980, 2995, 5990, 11783, 11980, 23566, 47132, 58915, 89251, 117830, 178502, 235660, 357004, 446255, 892510, 1755667, 1785020, 3511334, 7022668, 7058017, 8778335, 14116034, 17556670, 28232068, 35113340, 35290085, 70580170, 141160340, 1051644533, 2103289066, 4206578132, 5258222665, 10516445330, 21032890660]

約数ペア:

[(1, 21032890660), (2, 10516445330), (4, 5258222665), (5, 4206578132), (10, 2103289066), (20, 1051644533), (149, 141160340), (298, 70580170), (596, 35290085), (599, 35113340), (745, 28232068), (1198, 17556670), (1490, 14116034), (2396, 8778335), (2980, 7058017), (2995, 7022668), (5990, 3511334), (11783, 1785020), (11980, 1755667), (23566, 892510), (47132, 446255), (58915, 357004), (89251, 235660), (117830, 178502)]