21229416

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 63696360

約数和(自身を除く): 42466944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 222, 234, 296, 312, 333, 444, 468, 481, 613, 666, 888, 936, 962, 1226, 1332, 1443, 1839, 1924, 2452, 2664, 2886, 3678, 3848, 4329, 4904, 5517, 5772, 7356, 7969, 8658, 11034, 11544, 14712, 15938, 17316, 22068, 22681, 23907, 31876, 34632, 44136, 45362, 47814, 63752, 68043, 71721, 90724, 95628, 136086, 143442, 181448, 191256, 204129, 272172, 286884, 294853, 408258, 544344, 573768, 589706, 816516, 884559, 1179412, 1633032, 1769118, 2358824, 2653677, 3538236, 5307354, 7076472, 10614708, 21229416]

約数ペア:

[(1, 21229416), (2, 10614708), (3, 7076472), (4, 5307354), (6, 3538236), (8, 2653677), (9, 2358824), (12, 1769118), (13, 1633032), (18, 1179412), (24, 884559), (26, 816516), (36, 589706), (37, 573768), (39, 544344), (52, 408258), (72, 294853), (74, 286884), (78, 272172), (104, 204129), (111, 191256), (117, 181448), (148, 143442), (156, 136086), (222, 95628), (234, 90724), (296, 71721), (312, 68043), (333, 63752), (444, 47814), (468, 45362), (481, 44136), (613, 34632), (666, 31876), (888, 23907), (936, 22681), (962, 22068), (1226, 17316), (1332, 15938), (1443, 14712), (1839, 11544), (1924, 11034), (2452, 8658), (2664, 7969), (2886, 7356), (3678, 5772), (3848, 5517), (4329, 4904)]