21719376

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:793

約数の個数: 120

約数和(自身を含む): 71959680

約数和(自身を除く): 50240304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 56, 58, 63, 72, 84, 87, 112, 116, 126, 144, 168, 174, 203, 232, 252, 261, 336, 348, 406, 464, 504, 522, 609, 696, 743, 812, 1008, 1044, 1218, 1392, 1486, 1624, 1827, 2088, 2229, 2436, 2972, 3248, 3654, 4176, 4458, 4872, 5201, 5944, 6687, 7308, 8916, 9744, 10402, 11888, 13374, 14616, 15603, 17832, 20804, 21547, 26748, 29232, 31206, 35664, 41608, 43094, 46809, 53496, 62412, 64641, 83216, 86188, 93618, 106992, 124824, 129282, 150829, 172376, 187236, 193923, 249648, 258564, 301658, 344752, 374472, 387846, 452487, 517128, 603316, 748944, 775692, 904974, 1034256, 1206632, 1357461, 1551384, 1809948, 2413264, 2714922, 3102768, 3619896, 5429844, 7239792, 10859688, 21719376]

約数ペア:

[(1, 21719376), (2, 10859688), (3, 7239792), (4, 5429844), (6, 3619896), (7, 3102768), (8, 2714922), (9, 2413264), (12, 1809948), (14, 1551384), (16, 1357461), (18, 1206632), (21, 1034256), (24, 904974), (28, 775692), (29, 748944), (36, 603316), (42, 517128), (48, 452487), (56, 387846), (58, 374472), (63, 344752), (72, 301658), (84, 258564), (87, 249648), (112, 193923), (116, 187236), (126, 172376), (144, 150829), (168, 129282), (174, 124824), (203, 106992), (232, 93618), (252, 86188), (261, 83216), (336, 64641), (348, 62412), (406, 53496), (464, 46809), (504, 43094), (522, 41608), (609, 35664), (696, 31206), (743, 29232), (812, 26748), (1008, 21547), (1044, 20804), (1218, 17832), (1392, 15603), (1486, 14616), (1624, 13374), (1827, 11888), (2088, 10402), (2229, 9744), (2436, 8916), (2972, 7308), (3248, 6687), (3654, 5944), (4176, 5201), (4458, 4872)]