21839037

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 34045440

約数和(自身を除く): 12206403

約数列:

[1, 3, 11, 19, 33, 57, 61, 183, 209, 571, 627, 671, 1159, 1713, 2013, 3477, 6281, 10849, 12749, 18843, 32547, 34831, 38247, 104493, 119339, 358017, 383141, 661789, 1149423, 1985367, 7279679, 21839037]

約数ペア:

[(1, 21839037), (3, 7279679), (11, 1985367), (19, 1149423), (33, 661789), (57, 383141), (61, 358017), (183, 119339), (209, 104493), (571, 38247), (627, 34831), (671, 32547), (1159, 18843), (1713, 12749), (2013, 10849), (3477, 6281)]