21700170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 36619830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 179, 270, 358, 449, 537, 895, 898, 1074, 1347, 1611, 1790, 2245, 2685, 2694, 3222, 4041, 4490, 4833, 5370, 6735, 8055, 8082, 9666, 12123, 13470, 16110, 20205, 24165, 24246, 40410, 48330, 60615, 80371, 121230, 160742, 241113, 401855, 482226, 723339, 803710, 1205565, 1446678, 2170017, 2411130, 3616695, 4340034, 7233390, 10850085, 21700170]

約数ペア:

[(1, 21700170), (2, 10850085), (3, 7233390), (5, 4340034), (6, 3616695), (9, 2411130), (10, 2170017), (15, 1446678), (18, 1205565), (27, 803710), (30, 723339), (45, 482226), (54, 401855), (90, 241113), (135, 160742), (179, 121230), (270, 80371), (358, 60615), (449, 48330), (537, 40410), (895, 24246), (898, 24165), (1074, 20205), (1347, 16110), (1611, 13470), (1790, 12123), (2245, 9666), (2685, 8082), (2694, 8055), (3222, 6735), (4041, 5370), (4490, 4833)]