21555936

素因数分解:

$2^5\times 3^3\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 64058400

約数和(自身を除く): 42502464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 72, 96, 108, 122, 144, 183, 216, 244, 288, 366, 409, 432, 488, 549, 732, 818, 864, 976, 1098, 1227, 1464, 1636, 1647, 1952, 2196, 2454, 2928, 3272, 3294, 3681, 4392, 4908, 5856, 6544, 6588, 7362, 8784, 9816, 11043, 13088, 13176, 14724, 17568, 19632, 22086, 24949, 26352, 29448, 39264, 44172, 49898, 52704, 58896, 74847, 88344, 99796, 117792, 149694, 176688, 199592, 224541, 299388, 353376, 399184, 449082, 598776, 673623, 798368, 898164, 1197552, 1347246, 1796328, 2395104, 2694492, 3592656, 5388984, 7185312, 10777968, 21555936]

約数ペア:

[(1, 21555936), (2, 10777968), (3, 7185312), (4, 5388984), (6, 3592656), (8, 2694492), (9, 2395104), (12, 1796328), (16, 1347246), (18, 1197552), (24, 898164), (27, 798368), (32, 673623), (36, 598776), (48, 449082), (54, 399184), (61, 353376), (72, 299388), (96, 224541), (108, 199592), (122, 176688), (144, 149694), (183, 117792), (216, 99796), (244, 88344), (288, 74847), (366, 58896), (409, 52704), (432, 49898), (488, 44172), (549, 39264), (732, 29448), (818, 26352), (864, 24949), (976, 22086), (1098, 19632), (1227, 17568), (1464, 14724), (1636, 13176), (1647, 13088), (1952, 11043), (2196, 9816), (2454, 8784), (2928, 7362), (3272, 6588), (3294, 6544), (3681, 5856), (4392, 4908)]