21270132

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1037

約数の個数: 72

約数和(自身を含む): 59195136

約数和(自身を除く): 37925004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 967, 1222, 1692, 1833, 1934, 2444, 2901, 3666, 3868, 5499, 5802, 7332, 8703, 10998, 11604, 12571, 17406, 21996, 25142, 34812, 37713, 45449, 50284, 75426, 90898, 113139, 136347, 150852, 181796, 226278, 272694, 409041, 452556, 545388, 590837, 818082, 1181674, 1636164, 1772511, 2363348, 3545022, 5317533, 7090044, 10635066, 21270132]

約数ペア:

[(1, 21270132), (2, 10635066), (3, 7090044), (4, 5317533), (6, 3545022), (9, 2363348), (12, 1772511), (13, 1636164), (18, 1181674), (26, 818082), (36, 590837), (39, 545388), (47, 452556), (52, 409041), (78, 272694), (94, 226278), (117, 181796), (141, 150852), (156, 136347), (188, 113139), (234, 90898), (282, 75426), (423, 50284), (468, 45449), (564, 37713), (611, 34812), (846, 25142), (967, 21996), (1222, 17406), (1692, 12571), (1833, 11604), (1934, 10998), (2444, 8703), (2901, 7332), (3666, 5802), (3868, 5499)]