21696216

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 58877280

約数和(自身を除く): 37181064

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 68, 82, 102, 123, 136, 164, 204, 246, 328, 408, 492, 697, 984, 1297, 1394, 2091, 2594, 2788, 3891, 4182, 5188, 5576, 7782, 8364, 10376, 15564, 16728, 22049, 31128, 44098, 53177, 66147, 88196, 106354, 132294, 159531, 176392, 212708, 264588, 319062, 425416, 529176, 638124, 904009, 1276248, 1808018, 2712027, 3616036, 5424054, 7232072, 10848108, 21696216]

約数ペア:

[(1, 21696216), (2, 10848108), (3, 7232072), (4, 5424054), (6, 3616036), (8, 2712027), (12, 1808018), (17, 1276248), (24, 904009), (34, 638124), (41, 529176), (51, 425416), (68, 319062), (82, 264588), (102, 212708), (123, 176392), (136, 159531), (164, 132294), (204, 106354), (246, 88196), (328, 66147), (408, 53177), (492, 44098), (697, 31128), (984, 22049), (1297, 16728), (1394, 15564), (2091, 10376), (2594, 8364), (2788, 7782), (3891, 5576), (4182, 5188)]