21994164

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 58810752

約数和(自身を除く): 36816588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 101, 138, 202, 207, 263, 276, 303, 404, 414, 526, 606, 789, 828, 909, 1052, 1212, 1578, 1818, 2323, 2367, 3156, 3636, 4646, 4734, 6049, 6969, 9292, 9468, 12098, 13938, 18147, 20907, 24196, 26563, 27876, 36294, 41814, 53126, 54441, 72588, 79689, 83628, 106252, 108882, 159378, 217764, 239067, 318756, 478134, 610949, 956268, 1221898, 1832847, 2443796, 3665694, 5498541, 7331388, 10997082, 21994164]

約数ペア:

[(1, 21994164), (2, 10997082), (3, 7331388), (4, 5498541), (6, 3665694), (9, 2443796), (12, 1832847), (18, 1221898), (23, 956268), (36, 610949), (46, 478134), (69, 318756), (92, 239067), (101, 217764), (138, 159378), (202, 108882), (207, 106252), (263, 83628), (276, 79689), (303, 72588), (404, 54441), (414, 53126), (526, 41814), (606, 36294), (789, 27876), (828, 26563), (909, 24196), (1052, 20907), (1212, 18147), (1578, 13938), (1818, 12098), (2323, 9468), (2367, 9292), (3156, 6969), (3636, 6049), (4646, 4734)]