21906180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 47041020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 113, 135, 180, 226, 270, 339, 359, 452, 540, 565, 678, 718, 1017, 1077, 1130, 1356, 1436, 1695, 1795, 2034, 2154, 2260, 3051, 3231, 3390, 3590, 4068, 4308, 5085, 5385, 6102, 6462, 6780, 7180, 9693, 10170, 10770, 12204, 12924, 15255, 16155, 19386, 20340, 21540, 30510, 32310, 38772, 40567, 48465, 61020, 64620, 81134, 96930, 121701, 162268, 193860, 202835, 243402, 365103, 405670, 486804, 608505, 730206, 811340, 1095309, 1217010, 1460412, 1825515, 2190618, 2434020, 3651030, 4381236, 5476545, 7302060, 10953090, 21906180]

約数ペア:

[(1, 21906180), (2, 10953090), (3, 7302060), (4, 5476545), (5, 4381236), (6, 3651030), (9, 2434020), (10, 2190618), (12, 1825515), (15, 1460412), (18, 1217010), (20, 1095309), (27, 811340), (30, 730206), (36, 608505), (45, 486804), (54, 405670), (60, 365103), (90, 243402), (108, 202835), (113, 193860), (135, 162268), (180, 121701), (226, 96930), (270, 81134), (339, 64620), (359, 61020), (452, 48465), (540, 40567), (565, 38772), (678, 32310), (718, 30510), (1017, 21540), (1077, 20340), (1130, 19386), (1356, 16155), (1436, 15255), (1695, 12924), (1795, 12204), (2034, 10770), (2154, 10170), (2260, 9693), (3051, 7180), (3231, 6780), (3390, 6462), (3590, 6102), (4068, 5385), (4308, 5085)]