21093668235

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{87797}}^1$

素因数の和:88108

約数の個数: 48

約数和(自身を含む): 38624096160

約数和(自身を除く): 17530427925

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 281, 285, 843, 855, 1405, 2529, 4215, 5339, 12645, 16017, 26695, 48051, 80085, 87797, 240255, 263391, 438985, 790173, 1316955, 1668143, 3950865, 5004429, 8340715, 15013287, 24670957, 25022145, 74012871, 75066435, 123354785, 222038613, 370064355, 468748183, 1110193065, 1406244549, 2343740915, 4218733647, 7031222745, 21093668235]

約数ペア:

[(1, 21093668235), (3, 7031222745), (5, 4218733647), (9, 2343740915), (15, 1406244549), (19, 1110193065), (45, 468748183), (57, 370064355), (95, 222038613), (171, 123354785), (281, 75066435), (285, 74012871), (843, 25022145), (855, 24670957), (1405, 15013287), (2529, 8340715), (4215, 5004429), (5339, 3950865), (12645, 1668143), (16017, 1316955), (26695, 790173), (48051, 438985), (80085, 263391), (87797, 240255)]