21986692

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8629}}^1$

素因数の和:8660

約数の個数: 36

約数和(自身を含む): 48207180

約数和(自身を除く): 26220488

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8629, 17258, 34516, 60403, 112177, 120806, 224354, 241612, 422821, 448708, 785239, 845642, 1570478, 1691284, 3140956, 5496673, 10993346, 21986692]

約数ペア:

[(1, 21986692), (2, 10993346), (4, 5496673), (7, 3140956), (13, 1691284), (14, 1570478), (26, 845642), (28, 785239), (49, 448708), (52, 422821), (91, 241612), (98, 224354), (182, 120806), (196, 112177), (364, 60403), (637, 34516), (1274, 17258), (2548, 8629)]