21165522

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6379}}^1$

素因数の和:6470

約数の個数: 32

約数和(自身を含む): 48998400

約数和(自身を除く): 27832878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6379, 12758, 19137, 38274, 44653, 89306, 133959, 267918, 503941, 1007882, 1511823, 3023646, 3527587, 7055174, 10582761, 21165522]

約数ペア:

[(1, 21165522), (2, 10582761), (3, 7055174), (6, 3527587), (7, 3023646), (14, 1511823), (21, 1007882), (42, 503941), (79, 267918), (158, 133959), (237, 89306), (474, 44653), (553, 38274), (1106, 19137), (1659, 12758), (3318, 6379)]