21912270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6701}}^1$

素因数の和:6820

約数の個数: 32

約数和(自身を含む): 53079840

約数和(自身を除く): 31167570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6701, 13402, 20103, 33505, 40206, 67010, 100515, 201030, 730409, 1460818, 2191227, 3652045, 4382454, 7304090, 10956135, 21912270]

約数ペア:

[(1, 21912270), (2, 10956135), (3, 7304090), (5, 4382454), (6, 3652045), (10, 2191227), (15, 1460818), (30, 730409), (109, 201030), (218, 100515), (327, 67010), (545, 40206), (654, 33505), (1090, 20103), (1635, 13402), (3270, 6701)]