21000895458

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{4327}}^1\times {\mathrm{8009}}^1$

素因数の和:12442

約数の個数: 32

約数和(自身を含む): 42432750720

約数和(自身を除く): 21431855262

約数列:

[1, 2, 3, 6, 101, 202, 303, 606, 4327, 8009, 8654, 12981, 16018, 24027, 25962, 48054, 437027, 808909, 874054, 1311081, 1617818, 2426727, 2622162, 4853454, 34654943, 69309886, 103964829, 207929658, 3500149243, 7000298486, 10500447729, 21000895458]

約数ペア:

[(1, 21000895458), (2, 10500447729), (3, 7000298486), (6, 3500149243), (101, 207929658), (202, 103964829), (303, 69309886), (606, 34654943), (4327, 4853454), (8009, 2622162), (8654, 2426727), (12981, 1617818), (16018, 1311081), (24027, 874054), (25962, 808909), (48054, 437027)]