21307374

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^2\times {\mathrm{1087}}^1$

素因数の和:1123

約数の個数: 60

約数和(自身を含む): 52527552

約数和(自身を除く): 31220178

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 121, 162, 198, 242, 297, 363, 594, 726, 891, 1087, 1089, 1782, 2174, 2178, 3261, 3267, 6522, 6534, 9783, 9801, 11957, 19566, 19602, 23914, 29349, 35871, 58698, 71742, 88047, 107613, 131527, 176094, 215226, 263054, 322839, 394581, 645678, 789162, 968517, 1183743, 1937034, 2367486, 3551229, 7102458, 10653687, 21307374]

約数ペア:

[(1, 21307374), (2, 10653687), (3, 7102458), (6, 3551229), (9, 2367486), (11, 1937034), (18, 1183743), (22, 968517), (27, 789162), (33, 645678), (54, 394581), (66, 322839), (81, 263054), (99, 215226), (121, 176094), (162, 131527), (198, 107613), (242, 88047), (297, 71742), (363, 58698), (594, 35871), (726, 29349), (891, 23914), (1087, 19602), (1089, 19566), (1782, 11957), (2174, 9801), (2178, 9783), (3261, 6534), (3267, 6522)]