21315672

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42293}}^1$

素因数の和:42312

約数の個数: 48

約数和(自身を含む): 65978640

約数和(自身を除く): 44662968

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, 42293, 84586, 126879, 169172, 253758, 296051, 338344, 380637, 507516, 592102, 761274, 888153, 1015032, 1184204, 1522548, 1776306, 2368408, 2664459, 3045096, 3552612, 5328918, 7105224, 10657836, 21315672]

約数ペア:

[(1, 21315672), (2, 10657836), (3, 7105224), (4, 5328918), (6, 3552612), (7, 3045096), (8, 2664459), (9, 2368408), (12, 1776306), (14, 1522548), (18, 1184204), (21, 1015032), (24, 888153), (28, 761274), (36, 592102), (42, 507516), (56, 380637), (63, 338344), (72, 296051), (84, 253758), (126, 169172), (168, 126879), (252, 84586), (504, 42293)]