21311508

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 30943212

約数列:

[1, 2, 3, 4, 6, 12, 31, 59, 62, 93, 118, 124, 177, 186, 236, 354, 372, 708, 971, 1829, 1942, 2913, 3658, 3884, 5487, 5826, 7316, 10974, 11652, 21948, 30101, 57289, 60202, 90303, 114578, 120404, 171867, 180606, 229156, 343734, 361212, 687468, 1775959, 3551918, 5327877, 7103836, 10655754, 21311508]

約数ペア:

[(1, 21311508), (2, 10655754), (3, 7103836), (4, 5327877), (6, 3551918), (12, 1775959), (31, 687468), (59, 361212), (62, 343734), (93, 229156), (118, 180606), (124, 171867), (177, 120404), (186, 114578), (236, 90303), (354, 60202), (372, 57289), (708, 30101), (971, 21948), (1829, 11652), (1942, 10974), (2913, 7316), (3658, 5826), (3884, 5487)]