21494904

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 34630536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 167, 173, 186, 248, 334, 346, 372, 501, 519, 668, 692, 744, 1002, 1038, 1336, 1384, 2004, 2076, 4008, 4152, 5177, 5363, 10354, 10726, 15531, 16089, 20708, 21452, 28891, 31062, 32178, 41416, 42904, 57782, 62124, 64356, 86673, 115564, 124248, 128712, 173346, 231128, 346692, 693384, 895621, 1791242, 2686863, 3582484, 5373726, 7164968, 10747452, 21494904]

約数ペア:

[(1, 21494904), (2, 10747452), (3, 7164968), (4, 5373726), (6, 3582484), (8, 2686863), (12, 1791242), (24, 895621), (31, 693384), (62, 346692), (93, 231128), (124, 173346), (167, 128712), (173, 124248), (186, 115564), (248, 86673), (334, 64356), (346, 62124), (372, 57782), (501, 42904), (519, 41416), (668, 32178), (692, 31062), (744, 28891), (1002, 21452), (1038, 20708), (1336, 16089), (1384, 15531), (2004, 10726), (2076, 10354), (4008, 5363), (4152, 5177)]