21891864

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 57045600

約数和(自身を除く): 35153736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 89, 111, 148, 178, 222, 267, 277, 296, 356, 444, 534, 554, 712, 831, 888, 1068, 1108, 1662, 2136, 2216, 3293, 3324, 6586, 6648, 9879, 10249, 13172, 19758, 20498, 24653, 26344, 30747, 39516, 40996, 49306, 61494, 73959, 79032, 81992, 98612, 122988, 147918, 197224, 245976, 295836, 591672, 912161, 1824322, 2736483, 3648644, 5472966, 7297288, 10945932, 21891864]

約数ペア:

[(1, 21891864), (2, 10945932), (3, 7297288), (4, 5472966), (6, 3648644), (8, 2736483), (12, 1824322), (24, 912161), (37, 591672), (74, 295836), (89, 245976), (111, 197224), (148, 147918), (178, 122988), (222, 98612), (267, 81992), (277, 79032), (296, 73959), (356, 61494), (444, 49306), (534, 40996), (554, 39516), (712, 30747), (831, 26344), (888, 24653), (1068, 20498), (1108, 19758), (1662, 13172), (2136, 10249), (2216, 9879), (3293, 6648), (3324, 6586)]