21687930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1196

約数の個数: 96

約数和(自身を含む): 64808640

約数和(自身を除く): 43120710

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 165, 171, 190, 198, 209, 285, 330, 342, 418, 495, 570, 627, 855, 990, 1045, 1153, 1254, 1710, 1881, 2090, 2306, 3135, 3459, 3762, 5765, 6270, 6918, 9405, 10377, 11530, 12683, 17295, 18810, 20754, 21907, 25366, 34590, 38049, 43814, 51885, 63415, 65721, 76098, 103770, 109535, 114147, 126830, 131442, 190245, 197163, 219070, 228294, 240977, 328605, 380490, 394326, 481954, 570735, 657210, 722931, 985815, 1141470, 1204885, 1445862, 1971630, 2168793, 2409770, 3614655, 4337586, 7229310, 10843965, 21687930]

約数ペア:

[(1, 21687930), (2, 10843965), (3, 7229310), (5, 4337586), (6, 3614655), (9, 2409770), (10, 2168793), (11, 1971630), (15, 1445862), (18, 1204885), (19, 1141470), (22, 985815), (30, 722931), (33, 657210), (38, 570735), (45, 481954), (55, 394326), (57, 380490), (66, 328605), (90, 240977), (95, 228294), (99, 219070), (110, 197163), (114, 190245), (165, 131442), (171, 126830), (190, 114147), (198, 109535), (209, 103770), (285, 76098), (330, 65721), (342, 63415), (418, 51885), (495, 43814), (570, 38049), (627, 34590), (855, 25366), (990, 21907), (1045, 20754), (1153, 18810), (1254, 17295), (1710, 12683), (1881, 11530), (2090, 10377), (2306, 9405), (3135, 6918), (3459, 6270), (3762, 5765)]