21152802818

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{587219}}^1$

素因数の和:587342

約数の個数: 32

約数和(自身を含む): 37882736640

約数和(自身を除く): 16729933822

約数列:

[1, 2, 7, 14, 31, 62, 83, 166, 217, 434, 581, 1162, 2573, 5146, 18011, 36022, 587219, 1174438, 4110533, 8221066, 18203789, 36407578, 48739177, 97478354, 127426523, 254853046, 341174239, 682348478, 1510914487, 3021828974, 10576401409, 21152802818]

約数ペア:

[(1, 21152802818), (2, 10576401409), (7, 3021828974), (14, 1510914487), (31, 682348478), (62, 341174239), (83, 254853046), (166, 127426523), (217, 97478354), (434, 48739177), (581, 36407578), (1162, 18203789), (2573, 8221066), (5146, 4110533), (18011, 1174438), (36022, 587219)]