21326886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{877}}^1$

素因数の和:1085

約数の個数: 48

約数和(自身を含む): 53143584

約数和(自身を除く): 31816698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 193, 386, 579, 877, 1158, 1351, 1737, 1754, 2631, 2702, 3474, 4053, 5262, 6139, 7893, 8106, 12159, 12278, 15786, 18417, 24318, 36834, 55251, 110502, 169261, 338522, 507783, 1015566, 1184827, 1523349, 2369654, 3046698, 3554481, 7108962, 10663443, 21326886]

約数ペア:

[(1, 21326886), (2, 10663443), (3, 7108962), (6, 3554481), (7, 3046698), (9, 2369654), (14, 1523349), (18, 1184827), (21, 1015566), (42, 507783), (63, 338522), (126, 169261), (193, 110502), (386, 55251), (579, 36834), (877, 24318), (1158, 18417), (1351, 15786), (1737, 12278), (1754, 12159), (2631, 8106), (2702, 7893), (3474, 6139), (4053, 5262)]