21323688

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 55080000

約数和(自身を除く): 33756312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 89, 134, 149, 178, 201, 267, 268, 298, 356, 402, 447, 534, 536, 596, 712, 804, 894, 1068, 1192, 1608, 1788, 2136, 3576, 5963, 9983, 11926, 13261, 17889, 19966, 23852, 26522, 29949, 35778, 39783, 39932, 47704, 53044, 59898, 71556, 79566, 79864, 106088, 119796, 143112, 159132, 239592, 318264, 888487, 1776974, 2665461, 3553948, 5330922, 7107896, 10661844, 21323688]

約数ペア:

[(1, 21323688), (2, 10661844), (3, 7107896), (4, 5330922), (6, 3553948), (8, 2665461), (12, 1776974), (24, 888487), (67, 318264), (89, 239592), (134, 159132), (149, 143112), (178, 119796), (201, 106088), (267, 79864), (268, 79566), (298, 71556), (356, 59898), (402, 53044), (447, 47704), (534, 39932), (536, 39783), (596, 35778), (712, 29949), (804, 26522), (894, 23852), (1068, 19966), (1192, 17889), (1608, 13261), (1788, 11926), (2136, 9983), (3576, 5963)]