21213432

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7963}}^1$

素因数の和:8012

約数の個数: 48

約数和(自身を含む): 59013240

約数和(自身を除く): 37799808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7963, 15926, 23889, 31852, 47778, 63704, 71667, 95556, 143334, 191112, 286668, 294631, 573336, 589262, 883893, 1178524, 1767786, 2357048, 2651679, 3535572, 5303358, 7071144, 10606716, 21213432]

約数ペア:

[(1, 21213432), (2, 10606716), (3, 7071144), (4, 5303358), (6, 3535572), (8, 2651679), (9, 2357048), (12, 1767786), (18, 1178524), (24, 883893), (36, 589262), (37, 573336), (72, 294631), (74, 286668), (111, 191112), (148, 143334), (222, 95556), (296, 71667), (333, 63704), (444, 47778), (666, 31852), (888, 23889), (1332, 15926), (2664, 7963)]