21014916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5857}}^1$

素因数の和:5900

約数の個数: 48

約数和(自身を含む): 55112064

約数和(自身を除く): 34097148

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5857, 11714, 17571, 23428, 35142, 70284, 76141, 134711, 152282, 228423, 269422, 304564, 404133, 456846, 538844, 808266, 913692, 1616532, 1751243, 3502486, 5253729, 7004972, 10507458, 21014916]

約数ペア:

[(1, 21014916), (2, 10507458), (3, 7004972), (4, 5253729), (6, 3502486), (12, 1751243), (13, 1616532), (23, 913692), (26, 808266), (39, 538844), (46, 456846), (52, 404133), (69, 304564), (78, 269422), (92, 228423), (138, 152282), (156, 134711), (276, 76141), (299, 70284), (598, 35142), (897, 23428), (1196, 17571), (1794, 11714), (3588, 5857)]