21816864

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:484

約数の個数: 120

約数和(自身を含む): 67692240

約数和(自身を除く): 45875376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 288, 304, 324, 342, 432, 443, 456, 513, 608, 648, 684, 864, 886, 912, 1026, 1296, 1329, 1368, 1539, 1772, 1824, 2052, 2592, 2658, 2736, 3078, 3544, 3987, 4104, 5316, 5472, 6156, 7088, 7974, 8208, 8417, 10632, 11961, 12312, 14176, 15948, 16416, 16834, 21264, 23922, 24624, 25251, 31896, 33668, 35883, 42528, 47844, 49248, 50502, 63792, 67336, 71766, 75753, 95688, 101004, 127584, 134672, 143532, 151506, 191376, 202008, 227259, 269344, 287064, 303012, 382752, 404016, 454518, 574128, 606024, 681777, 808032, 909036, 1148256, 1212048, 1363554, 1818072, 2424096, 2727108, 3636144, 5454216, 7272288, 10908432, 21816864]

約数ペア:

[(1, 21816864), (2, 10908432), (3, 7272288), (4, 5454216), (6, 3636144), (8, 2727108), (9, 2424096), (12, 1818072), (16, 1363554), (18, 1212048), (19, 1148256), (24, 909036), (27, 808032), (32, 681777), (36, 606024), (38, 574128), (48, 454518), (54, 404016), (57, 382752), (72, 303012), (76, 287064), (81, 269344), (96, 227259), (108, 202008), (114, 191376), (144, 151506), (152, 143532), (162, 134672), (171, 127584), (216, 101004), (228, 95688), (288, 75753), (304, 71766), (324, 67336), (342, 63792), (432, 50502), (443, 49248), (456, 47844), (513, 42528), (608, 35883), (648, 33668), (684, 31896), (864, 25251), (886, 24624), (912, 23922), (1026, 21264), (1296, 16834), (1329, 16416), (1368, 15948), (1539, 14176), (1772, 12312), (1824, 11961), (2052, 10632), (2592, 8417), (2658, 8208), (2736, 7974), (3078, 7088), (3544, 6156), (3987, 5472), (4104, 5316)]