21938526

素因数分解:

$2^1\times 3^6\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:428

約数の個数: 56

約数和(自身を含む): 50680224

約数和(自身を除く): 28741698

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 243, 246, 367, 369, 486, 729, 734, 738, 1101, 1107, 1458, 2202, 2214, 3303, 3321, 6606, 6642, 9909, 9963, 15047, 19818, 19926, 29727, 29889, 30094, 45141, 59454, 59778, 89181, 90282, 135423, 178362, 267543, 270846, 406269, 535086, 812538, 1218807, 2437614, 3656421, 7312842, 10969263, 21938526]

約数ペア:

[(1, 21938526), (2, 10969263), (3, 7312842), (6, 3656421), (9, 2437614), (18, 1218807), (27, 812538), (41, 535086), (54, 406269), (81, 270846), (82, 267543), (123, 178362), (162, 135423), (243, 90282), (246, 89181), (367, 59778), (369, 59454), (486, 45141), (729, 30094), (734, 29889), (738, 29727), (1101, 19926), (1107, 19818), (1458, 15047), (2202, 9963), (2214, 9909), (3303, 6642), (3321, 6606)]