21081345552

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1318903}}^1$

素因数の和:1318957

約数の個数: 80

約数和(自身を含む): 62146756480

約数和(自身を除く): 41065410928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1332, 1776, 1998, 2664, 3996, 5328, 7992, 15984, 1318903, 2637806, 3956709, 5275612, 7913418, 10551224, 11870127, 15826836, 21102448, 23740254, 31653672, 35610381, 47480508, 48799411, 63307344, 71220762, 94961016, 97598822, 142441524, 146398233, 189922032, 195197644, 284883048, 292796466, 390395288, 439194699, 569766096, 585592932, 780790576, 878389398, 1171185864, 1317584097, 1756778796, 2342371728, 2635168194, 3513557592, 5270336388, 7027115184, 10540672776, 21081345552]

約数ペア:

[(1, 21081345552), (2, 10540672776), (3, 7027115184), (4, 5270336388), (6, 3513557592), (8, 2635168194), (9, 2342371728), (12, 1756778796), (16, 1317584097), (18, 1171185864), (24, 878389398), (27, 780790576), (36, 585592932), (37, 569766096), (48, 439194699), (54, 390395288), (72, 292796466), (74, 284883048), (108, 195197644), (111, 189922032), (144, 146398233), (148, 142441524), (216, 97598822), (222, 94961016), (296, 71220762), (333, 63307344), (432, 48799411), (444, 47480508), (592, 35610381), (666, 31653672), (888, 23740254), (999, 21102448), (1332, 15826836), (1776, 11870127), (1998, 10551224), (2664, 7913418), (3996, 5275612), (5328, 3956709), (7992, 2637806), (15984, 1318903)]