21142758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38723}}^1$

素因数の和:38748

約数の個数: 32

約数和(自身を含む): 52045056

約数和(自身を除く): 30902298

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38723, 77446, 116169, 232338, 271061, 503399, 542122, 813183, 1006798, 1510197, 1626366, 3020394, 3523793, 7047586, 10571379, 21142758]

約数ペア:

[(1, 21142758), (2, 10571379), (3, 7047586), (6, 3523793), (7, 3020394), (13, 1626366), (14, 1510197), (21, 1006798), (26, 813183), (39, 542122), (42, 503399), (78, 271061), (91, 232338), (182, 116169), (273, 77446), (546, 38723)]