21569688

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42797}}^1$

素因数の和:42816

約数の個数: 48

約数和(自身を含む): 66764880

約数和(自身を除く): 45195192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42797, 85594, 128391, 171188, 256782, 299579, 342376, 385173, 513564, 599158, 770346, 898737, 1027128, 1198316, 1540692, 1797474, 2396632, 2696211, 3081384, 3594948, 5392422, 7189896, 10784844, 21569688]

約数ペア:

[(1, 21569688), (2, 10784844), (3, 7189896), (4, 5392422), (6, 3594948), (7, 3081384), (8, 2696211), (9, 2396632), (12, 1797474), (14, 1540692), (18, 1198316), (21, 1027128), (24, 898737), (28, 770346), (36, 599158), (42, 513564), (56, 385173), (63, 342376), (72, 299579), (84, 256782), (126, 171188), (168, 128391), (252, 85594), (504, 42797)]