21292290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{659}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 34306110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 359, 659, 718, 1077, 1318, 1795, 1977, 2154, 3231, 3295, 3590, 3954, 5385, 5931, 6462, 6590, 9885, 10770, 11862, 16155, 19770, 29655, 32310, 59310, 236581, 473162, 709743, 1182905, 1419486, 2129229, 2365810, 3548715, 4258458, 7097430, 10646145, 21292290]

約数ペア:

[(1, 21292290), (2, 10646145), (3, 7097430), (5, 4258458), (6, 3548715), (9, 2365810), (10, 2129229), (15, 1419486), (18, 1182905), (30, 709743), (45, 473162), (90, 236581), (359, 59310), (659, 32310), (718, 29655), (1077, 19770), (1318, 16155), (1795, 11862), (1977, 10770), (2154, 9885), (3231, 6590), (3295, 6462), (3590, 5931), (3954, 5385)]