21909312

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 112

約数和(自身を含む): 66649600

約数和(自身を除く): 44740288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 248, 279, 288, 372, 409, 432, 496, 558, 576, 744, 818, 837, 864, 992, 1116, 1227, 1488, 1636, 1674, 1728, 1984, 2232, 2454, 2976, 3272, 3348, 3681, 4464, 4908, 5952, 6544, 6696, 7362, 8928, 9816, 11043, 12679, 13088, 13392, 14724, 17856, 19632, 22086, 25358, 26176, 26784, 29448, 38037, 39264, 44172, 50716, 53568, 58896, 76074, 78528, 88344, 101432, 114111, 117792, 152148, 176688, 202864, 228222, 235584, 304296, 342333, 353376, 405728, 456444, 608592, 684666, 706752, 811456, 912888, 1217184, 1369332, 1825776, 2434368, 2738664, 3651552, 5477328, 7303104, 10954656, 21909312]

約数ペア:

[(1, 21909312), (2, 10954656), (3, 7303104), (4, 5477328), (6, 3651552), (8, 2738664), (9, 2434368), (12, 1825776), (16, 1369332), (18, 1217184), (24, 912888), (27, 811456), (31, 706752), (32, 684666), (36, 608592), (48, 456444), (54, 405728), (62, 353376), (64, 342333), (72, 304296), (93, 235584), (96, 228222), (108, 202864), (124, 176688), (144, 152148), (186, 117792), (192, 114111), (216, 101432), (248, 88344), (279, 78528), (288, 76074), (372, 58896), (409, 53568), (432, 50716), (496, 44172), (558, 39264), (576, 38037), (744, 29448), (818, 26784), (837, 26176), (864, 25358), (992, 22086), (1116, 19632), (1227, 17856), (1488, 14724), (1636, 13392), (1674, 13088), (1728, 12679), (1984, 11043), (2232, 9816), (2454, 8928), (2976, 7362), (3272, 6696), (3348, 6544), (3681, 5952), (4464, 4908)]