21557028

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 52383744

約数和(自身を除く): 30826716

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 167, 186, 334, 347, 372, 501, 668, 694, 1002, 1041, 1388, 2004, 2082, 4164, 5177, 10354, 10757, 15531, 20708, 21514, 31062, 32271, 43028, 57949, 62124, 64542, 115898, 129084, 173847, 231796, 347694, 695388, 1796419, 3592838, 5389257, 7185676, 10778514, 21557028]

約数ペア:

[(1, 21557028), (2, 10778514), (3, 7185676), (4, 5389257), (6, 3592838), (12, 1796419), (31, 695388), (62, 347694), (93, 231796), (124, 173847), (167, 129084), (186, 115898), (334, 64542), (347, 62124), (372, 57949), (501, 43028), (668, 32271), (694, 31062), (1002, 21514), (1041, 20708), (1388, 15531), (2004, 10757), (2082, 10354), (4164, 5177)]