1821487248

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1861}}^1$

素因数の和:2853

約数の個数: 120

約数和(自身を含む): 5835001536

約数和(自身を除く): 4013514288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 971, 1008, 1861, 1942, 2913, 3722, 3884, 5583, 5826, 6797, 7444, 7768, 8739, 11166, 11652, 13027, 13594, 14888, 15536, 16749, 17478, 20391, 22332, 23304, 26054, 27188, 29776, 33498, 34956, 39081, 40782, 44664, 46608, 52108, 54376, 61173, 66996, 69912, 78162, 81564, 89328, 104216, 108752, 117243, 122346, 133992, 139824, 156324, 163128, 208432, 234486, 244692, 267984, 312648, 326256, 468972, 489384, 625296, 937944, 978768, 1807031, 1875888, 3614062, 5421093, 7228124, 10842186, 12649217, 14456248, 16263279, 21684372, 25298434, 28912496, 32526558, 37947651, 43368744, 50596868, 65053116, 75895302, 86737488, 101193736, 113842953, 130106232, 151790604, 202387472, 227685906, 260212464, 303581208, 455371812, 607162416, 910743624, 1821487248]

約数ペア:

[(1, 1821487248), (2, 910743624), (3, 607162416), (4, 455371812), (6, 303581208), (7, 260212464), (8, 227685906), (9, 202387472), (12, 151790604), (14, 130106232), (16, 113842953), (18, 101193736), (21, 86737488), (24, 75895302), (28, 65053116), (36, 50596868), (42, 43368744), (48, 37947651), (56, 32526558), (63, 28912496), (72, 25298434), (84, 21684372), (112, 16263279), (126, 14456248), (144, 12649217), (168, 10842186), (252, 7228124), (336, 5421093), (504, 3614062), (971, 1875888), (1008, 1807031), (1861, 978768), (1942, 937944), (2913, 625296), (3722, 489384), (3884, 468972), (5583, 326256), (5826, 312648), (6797, 267984), (7444, 244692), (7768, 234486), (8739, 208432), (11166, 163128), (11652, 156324), (13027, 139824), (13594, 133992), (14888, 122346), (15536, 117243), (16749, 108752), (17478, 104216), (20391, 89328), (22332, 81564), (23304, 78162), (26054, 69912), (27188, 66996), (29776, 61173), (33498, 54376), (34956, 52108), (39081, 46608), (40782, 44664)]