21406368

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{7193}}^1$

素因数の和:7237

約数の個数: 48

約数和(自身を含む): 58012416

約数和(自身を除く): 36606048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 7193, 14386, 21579, 28772, 43158, 57544, 86316, 115088, 172632, 222983, 230176, 345264, 445966, 668949, 690528, 891932, 1337898, 1783864, 2675796, 3567728, 5351592, 7135456, 10703184, 21406368]

約数ペア:

[(1, 21406368), (2, 10703184), (3, 7135456), (4, 5351592), (6, 3567728), (8, 2675796), (12, 1783864), (16, 1337898), (24, 891932), (31, 690528), (32, 668949), (48, 445966), (62, 345264), (93, 230176), (96, 222983), (124, 172632), (186, 115088), (248, 86316), (372, 57544), (496, 43158), (744, 28772), (992, 21579), (1488, 14386), (2976, 7193)]