21153744

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2169

約数の個数: 80

約数和(自身を含む): 63388800

約数和(自身を除く): 42235056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2129, 2484, 3312, 4258, 4968, 6387, 8516, 9936, 12774, 17032, 19161, 25548, 34064, 38322, 48967, 51096, 57483, 76644, 97934, 102192, 114966, 146901, 153288, 195868, 229932, 293802, 306576, 391736, 440703, 459864, 587604, 783472, 881406, 919728, 1175208, 1322109, 1762812, 2350416, 2644218, 3525624, 5288436, 7051248, 10576872, 21153744]

約数ペア:

[(1, 21153744), (2, 10576872), (3, 7051248), (4, 5288436), (6, 3525624), (8, 2644218), (9, 2350416), (12, 1762812), (16, 1322109), (18, 1175208), (23, 919728), (24, 881406), (27, 783472), (36, 587604), (46, 459864), (48, 440703), (54, 391736), (69, 306576), (72, 293802), (92, 229932), (108, 195868), (138, 153288), (144, 146901), (184, 114966), (207, 102192), (216, 97934), (276, 76644), (368, 57483), (414, 51096), (432, 48967), (552, 38322), (621, 34064), (828, 25548), (1104, 19161), (1242, 17032), (1656, 12774), (2129, 9936), (2484, 8516), (3312, 6387), (4258, 4968)]