21511344

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 59321600

約数和(自身を除く): 37810256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 103, 114, 152, 206, 228, 229, 304, 309, 412, 456, 458, 618, 687, 824, 912, 916, 1236, 1374, 1648, 1832, 1957, 2472, 2748, 3664, 3914, 4351, 4944, 5496, 5871, 7828, 8702, 10992, 11742, 13053, 15656, 17404, 23484, 23587, 26106, 31312, 34808, 46968, 47174, 52212, 69616, 70761, 93936, 94348, 104424, 141522, 188696, 208848, 283044, 377392, 448153, 566088, 896306, 1132176, 1344459, 1792612, 2688918, 3585224, 5377836, 7170448, 10755672, 21511344]

約数ペア:

[(1, 21511344), (2, 10755672), (3, 7170448), (4, 5377836), (6, 3585224), (8, 2688918), (12, 1792612), (16, 1344459), (19, 1132176), (24, 896306), (38, 566088), (48, 448153), (57, 377392), (76, 283044), (103, 208848), (114, 188696), (152, 141522), (206, 104424), (228, 94348), (229, 93936), (304, 70761), (309, 69616), (412, 52212), (456, 47174), (458, 46968), (618, 34808), (687, 31312), (824, 26106), (912, 23587), (916, 23484), (1236, 17404), (1374, 15656), (1648, 13053), (1832, 11742), (1957, 10992), (2472, 8702), (2748, 7828), (3664, 5871), (3914, 5496), (4351, 4944)]