21786882021

素因数分解:

$3^2\times {\mathrm{659}}^1\times {\mathrm{1483}}^1\times {\mathrm{2477}}^1$

素因数の和:4625

約数の個数: 24

約数和(自身を含む): 31551680160

約数和(自身を除く): 9764798139

約数列:

[1, 3, 9, 659, 1483, 1977, 2477, 4449, 5931, 7431, 13347, 22293, 977297, 1632343, 2931891, 3673391, 4897029, 8795673, 11020173, 14691087, 33060519, 2420764669, 7262294007, 21786882021]

約数ペア:

[(1, 21786882021), (3, 7262294007), (9, 2420764669), (659, 33060519), (1483, 14691087), (1977, 11020173), (2477, 8795673), (4449, 4897029), (5931, 3673391), (7431, 2931891), (13347, 1632343), (22293, 977297)]