21330324

素因数分解:

$2^2\times 3^3\times {\mathrm{313}}^1\times {\mathrm{631}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 55565440

約数和(自身を除く): 34235116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 313, 626, 631, 939, 1252, 1262, 1878, 1893, 2524, 2817, 3756, 3786, 5634, 5679, 7572, 8451, 11268, 11358, 16902, 17037, 22716, 33804, 34074, 68148, 197503, 395006, 592509, 790012, 1185018, 1777527, 2370036, 3555054, 5332581, 7110108, 10665162, 21330324]

約数ペア:

[(1, 21330324), (2, 10665162), (3, 7110108), (4, 5332581), (6, 3555054), (9, 2370036), (12, 1777527), (18, 1185018), (27, 790012), (36, 592509), (54, 395006), (108, 197503), (313, 68148), (626, 34074), (631, 33804), (939, 22716), (1252, 17037), (1262, 16902), (1878, 11358), (1893, 11268), (2524, 8451), (2817, 7572), (3756, 5679), (3786, 5634)]