21619260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9239}}^1$

素因数の和:9267

約数の個数: 72

約数和(自身を含む): 70630560

約数和(自身を除く): 49011300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9239, 18478, 27717, 36956, 46195, 55434, 83151, 92390, 110868, 120107, 138585, 166302, 184780, 240214, 277170, 332604, 360321, 415755, 480428, 554340, 600535, 720642, 831510, 1080963, 1201070, 1441284, 1663020, 1801605, 2161926, 2402140, 3603210, 4323852, 5404815, 7206420, 10809630, 21619260]

約数ペア:

[(1, 21619260), (2, 10809630), (3, 7206420), (4, 5404815), (5, 4323852), (6, 3603210), (9, 2402140), (10, 2161926), (12, 1801605), (13, 1663020), (15, 1441284), (18, 1201070), (20, 1080963), (26, 831510), (30, 720642), (36, 600535), (39, 554340), (45, 480428), (52, 415755), (60, 360321), (65, 332604), (78, 277170), (90, 240214), (117, 184780), (130, 166302), (156, 138585), (180, 120107), (195, 110868), (234, 92390), (260, 83151), (390, 55434), (468, 46195), (585, 36956), (780, 27717), (1170, 18478), (2340, 9239)]