21167809956

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{463}}^1\times {\mathrm{3167}}^1$

素因数の和:4041

約数の個数: 72

約数和(自身を含む): 53773784064

約数和(自身を除く): 32605974108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 463, 802, 926, 1203, 1389, 1604, 1852, 2406, 2778, 3167, 3609, 4167, 4812, 5556, 6334, 7218, 8334, 9501, 12668, 14436, 16668, 19002, 28503, 38004, 57006, 114012, 185663, 371326, 556989, 742652, 1113978, 1269967, 1466321, 1670967, 2227956, 2539934, 2932642, 3341934, 3809901, 4398963, 5079868, 5865284, 6683868, 7619802, 8797926, 11429703, 13196889, 15239604, 17595852, 22859406, 26393778, 45718812, 52787556, 587994721, 1175989442, 1763984163, 2351978884, 3527968326, 5291952489, 7055936652, 10583904978, 21167809956]

約数ペア:

[(1, 21167809956), (2, 10583904978), (3, 7055936652), (4, 5291952489), (6, 3527968326), (9, 2351978884), (12, 1763984163), (18, 1175989442), (36, 587994721), (401, 52787556), (463, 45718812), (802, 26393778), (926, 22859406), (1203, 17595852), (1389, 15239604), (1604, 13196889), (1852, 11429703), (2406, 8797926), (2778, 7619802), (3167, 6683868), (3609, 5865284), (4167, 5079868), (4812, 4398963), (5556, 3809901), (6334, 3341934), (7218, 2932642), (8334, 2539934), (9501, 2227956), (12668, 1670967), (14436, 1466321), (16668, 1269967), (19002, 1113978), (28503, 742652), (38004, 556989), (57006, 371326), (114012, 185663)]