21458178

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{24329}}^1$

素因数の和:24351

約数の個数: 36

約数和(自身を含む): 54085590

約数和(自身を除く): 32627412

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 24329, 48658, 72987, 145974, 170303, 218961, 340606, 437922, 510909, 1021818, 1192121, 1532727, 2384242, 3065454, 3576363, 7152726, 10729089, 21458178]

約数ペア:

[(1, 21458178), (2, 10729089), (3, 7152726), (6, 3576363), (7, 3065454), (9, 2384242), (14, 1532727), (18, 1192121), (21, 1021818), (42, 510909), (49, 437922), (63, 340606), (98, 218961), (126, 170303), (147, 145974), (294, 72987), (441, 48658), (882, 24329)]