21277560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 64190880

約数和(自身を除く): 42913320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 699, 761, 932, 1165, 1398, 1522, 1864, 2283, 2330, 2796, 3044, 3495, 3805, 4566, 4660, 5592, 6088, 6990, 7610, 9132, 9320, 11415, 13980, 15220, 18264, 22830, 27960, 30440, 45660, 91320, 177313, 354626, 531939, 709252, 886565, 1063878, 1418504, 1773130, 2127756, 2659695, 3546260, 4255512, 5319390, 7092520, 10638780, 21277560]

約数ペア:

[(1, 21277560), (2, 10638780), (3, 7092520), (4, 5319390), (5, 4255512), (6, 3546260), (8, 2659695), (10, 2127756), (12, 1773130), (15, 1418504), (20, 1063878), (24, 886565), (30, 709252), (40, 531939), (60, 354626), (120, 177313), (233, 91320), (466, 45660), (699, 30440), (761, 27960), (932, 22830), (1165, 18264), (1398, 15220), (1522, 13980), (1864, 11415), (2283, 9320), (2330, 9132), (2796, 7610), (3044, 6990), (3495, 6088), (3805, 5592), (4566, 4660)]