42820890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{203909}}^1$

素因数の和:203926

約数の個数: 32

約数和(自身を含む): 117452160

約数和(自身を除く): 74631270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 203909, 407818, 611727, 1019545, 1223454, 1427363, 2039090, 2854726, 3058635, 4282089, 6117270, 7136815, 8564178, 14273630, 21410445, 42820890]

約数ペア:

[(1, 42820890), (2, 21410445), (3, 14273630), (5, 8564178), (6, 7136815), (7, 6117270), (10, 4282089), (14, 3058635), (15, 2854726), (21, 2039090), (30, 1427363), (35, 1223454), (42, 1019545), (70, 611727), (105, 407818), (210, 203909)]