21315456

素因数分解:

$2^7\times 3^2\times {\mathrm{18503}}^1$

素因数の和:18523

約数の個数: 48

約数和(自身を含む): 61340760

約数和(自身を除く): 40025304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 18503, 37006, 55509, 74012, 111018, 148024, 166527, 222036, 296048, 333054, 444072, 592096, 666108, 888144, 1184192, 1332216, 1776288, 2368384, 2664432, 3552576, 5328864, 7105152, 10657728, 21315456]

約数ペア:

[(1, 21315456), (2, 10657728), (3, 7105152), (4, 5328864), (6, 3552576), (8, 2664432), (9, 2368384), (12, 1776288), (16, 1332216), (18, 1184192), (24, 888144), (32, 666108), (36, 592096), (48, 444072), (64, 333054), (72, 296048), (96, 222036), (128, 166527), (144, 148024), (192, 111018), (288, 74012), (384, 55509), (576, 37006), (1152, 18503)]