21986940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6211}}^1$

素因数の和:6282

約数の個数: 48

約数和(自身を含む): 62616960

約数和(自身を除く): 40630020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 6211, 12422, 18633, 24844, 31055, 37266, 62110, 74532, 93165, 124220, 186330, 366449, 372660, 732898, 1099347, 1465796, 1832245, 2198694, 3664490, 4397388, 5496735, 7328980, 10993470, 21986940]

約数ペア:

[(1, 21986940), (2, 10993470), (3, 7328980), (4, 5496735), (5, 4397388), (6, 3664490), (10, 2198694), (12, 1832245), (15, 1465796), (20, 1099347), (30, 732898), (59, 372660), (60, 366449), (118, 186330), (177, 124220), (236, 93165), (295, 74532), (354, 62110), (590, 37266), (708, 31055), (885, 24844), (1180, 18633), (1770, 12422), (3540, 6211)]