21527070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{971}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 51788160

約数和(自身を除く): 30261090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 739, 971, 1478, 1942, 2217, 2913, 3695, 4434, 4855, 5826, 7390, 9710, 11085, 14565, 22170, 29130, 717569, 1435138, 2152707, 3587845, 4305414, 7175690, 10763535, 21527070]

約数ペア:

[(1, 21527070), (2, 10763535), (3, 7175690), (5, 4305414), (6, 3587845), (10, 2152707), (15, 1435138), (30, 717569), (739, 29130), (971, 22170), (1478, 14565), (1942, 11085), (2217, 9710), (2913, 7390), (3695, 5826), (4434, 4855)]