21622562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 36503040

約数和(自身を除く): 14880478

約数列:

[1, 2, 13, 26, 31, 62, 139, 193, 278, 386, 403, 806, 1807, 2509, 3614, 4309, 5018, 5983, 8618, 11966, 26827, 53654, 56017, 77779, 112034, 155558, 348751, 697502, 831637, 1663274, 10811281, 21622562]

約数ペア:

[(1, 21622562), (2, 10811281), (13, 1663274), (26, 831637), (31, 697502), (62, 348751), (139, 155558), (193, 112034), (278, 77779), (386, 56017), (403, 53654), (806, 26827), (1807, 11966), (2509, 8618), (3614, 5983), (4309, 5018)]