21802365

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 43542576

約数和(自身を除く): 21740211

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 81, 101, 117, 123, 135, 195, 205, 303, 351, 369, 405, 505, 533, 585, 615, 909, 1053, 1107, 1313, 1515, 1599, 1755, 1845, 2665, 2727, 3321, 3939, 4141, 4545, 4797, 5265, 5535, 6565, 7995, 8181, 11817, 12423, 13635, 14391, 16605, 19695, 20705, 23985, 35451, 37269, 40905, 43173, 53833, 59085, 62115, 71955, 106353, 111807, 161499, 177255, 186345, 215865, 269165, 335421, 484497, 531765, 559035, 807495, 1453491, 1677105, 2422485, 4360473, 7267455, 21802365]

約数ペア:

[(1, 21802365), (3, 7267455), (5, 4360473), (9, 2422485), (13, 1677105), (15, 1453491), (27, 807495), (39, 559035), (41, 531765), (45, 484497), (65, 335421), (81, 269165), (101, 215865), (117, 186345), (123, 177255), (135, 161499), (195, 111807), (205, 106353), (303, 71955), (351, 62115), (369, 59085), (405, 53833), (505, 43173), (533, 40905), (585, 37269), (615, 35451), (909, 23985), (1053, 20705), (1107, 19695), (1313, 16605), (1515, 14391), (1599, 13635), (1755, 12423), (1845, 11817), (2665, 8181), (2727, 7995), (3321, 6565), (3939, 5535), (4141, 5265), (4545, 4797)]