21153222

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26650170

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 167, 186, 227, 279, 334, 454, 501, 558, 681, 1002, 1362, 1503, 2043, 3006, 4086, 5177, 7037, 10354, 14074, 15531, 21111, 31062, 37909, 42222, 46593, 63333, 75818, 93186, 113727, 126666, 227454, 341181, 682362, 1175179, 2350358, 3525537, 7051074, 10576611, 21153222]

約数ペア:

[(1, 21153222), (2, 10576611), (3, 7051074), (6, 3525537), (9, 2350358), (18, 1175179), (31, 682362), (62, 341181), (93, 227454), (167, 126666), (186, 113727), (227, 93186), (279, 75818), (334, 63333), (454, 46593), (501, 42222), (558, 37909), (681, 31062), (1002, 21111), (1362, 15531), (1503, 14074), (2043, 10354), (3006, 7037), (4086, 5177)]