21999312

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{4129}}^1$

素因数の和:4180

約数の個数: 60

約数和(自身を含む): 63246820

約数和(自身を除く): 41247508

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 4129, 5328, 8258, 12387, 16516, 24774, 33032, 37161, 49548, 66064, 74322, 99096, 148644, 152773, 198192, 297288, 305546, 458319, 594576, 611092, 916638, 1222184, 1374957, 1833276, 2444368, 2749914, 3666552, 5499828, 7333104, 10999656, 21999312]

約数ペア:

[(1, 21999312), (2, 10999656), (3, 7333104), (4, 5499828), (6, 3666552), (8, 2749914), (9, 2444368), (12, 1833276), (16, 1374957), (18, 1222184), (24, 916638), (36, 611092), (37, 594576), (48, 458319), (72, 305546), (74, 297288), (111, 198192), (144, 152773), (148, 148644), (222, 99096), (296, 74322), (333, 66064), (444, 49548), (592, 37161), (666, 33032), (888, 24774), (1332, 16516), (1776, 12387), (2664, 8258), (4129, 5328)]