421281756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 192

約数和(自身を含む): 1329664000

約数和(自身を除く): 908382244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 139, 171, 189, 211, 228, 252, 266, 278, 342, 378, 399, 417, 422, 513, 532, 556, 633, 684, 756, 798, 834, 844, 973, 1026, 1197, 1251, 1266, 1477, 1596, 1668, 1899, 1946, 2052, 2394, 2502, 2532, 2641, 2919, 2954, 3591, 3753, 3798, 3892, 4009, 4431, 4788, 5004, 5282, 5697, 5838, 5908, 7182, 7506, 7596, 7923, 8018, 8757, 8862, 10564, 11394, 11676, 12027, 13293, 14364, 15012, 15846, 16036, 17514, 17724, 18487, 22788, 23769, 24054, 26271, 26586, 28063, 29329, 31692, 35028, 36081, 36974, 39879, 47538, 48108, 52542, 53172, 55461, 56126, 58658, 71307, 72162, 73948, 79758, 84189, 87987, 95076, 105084, 108243, 110922, 112252, 117316, 142614, 144324, 159516, 166383, 168378, 175974, 205303, 216486, 221844, 252567, 263961, 285228, 332766, 336756, 351948, 410606, 432972, 499149, 505134, 527922, 557251, 615909, 665532, 757701, 791883, 821212, 998298, 1010268, 1055844, 1114502, 1231818, 1515402, 1583766, 1671753, 1847727, 1996596, 2229004, 2463636, 3030804, 3167532, 3343506, 3695454, 3900757, 5015259, 5543181, 6687012, 7390908, 7801514, 10030518, 11086362, 11702271, 15045777, 15603028, 20061036, 22172724, 23404542, 30091554, 35106813, 46809084, 60183108, 70213626, 105320439, 140427252, 210640878, 421281756]

約数ペア:

[(1, 421281756), (2, 210640878), (3, 140427252), (4, 105320439), (6, 70213626), (7, 60183108), (9, 46809084), (12, 35106813), (14, 30091554), (18, 23404542), (19, 22172724), (21, 20061036), (27, 15603028), (28, 15045777), (36, 11702271), (38, 11086362), (42, 10030518), (54, 7801514), (57, 7390908), (63, 6687012), (76, 5543181), (84, 5015259), (108, 3900757), (114, 3695454), (126, 3343506), (133, 3167532), (139, 3030804), (171, 2463636), (189, 2229004), (211, 1996596), (228, 1847727), (252, 1671753), (266, 1583766), (278, 1515402), (342, 1231818), (378, 1114502), (399, 1055844), (417, 1010268), (422, 998298), (513, 821212), (532, 791883), (556, 757701), (633, 665532), (684, 615909), (756, 557251), (798, 527922), (834, 505134), (844, 499149), (973, 432972), (1026, 410606), (1197, 351948), (1251, 336756), (1266, 332766), (1477, 285228), (1596, 263961), (1668, 252567), (1899, 221844), (1946, 216486), (2052, 205303), (2394, 175974), (2502, 168378), (2532, 166383), (2641, 159516), (2919, 144324), (2954, 142614), (3591, 117316), (3753, 112252), (3798, 110922), (3892, 108243), (4009, 105084), (4431, 95076), (4788, 87987), (5004, 84189), (5282, 79758), (5697, 73948), (5838, 72162), (5908, 71307), (7182, 58658), (7506, 56126), (7596, 55461), (7923, 53172), (8018, 52542), (8757, 48108), (8862, 47538), (10564, 39879), (11394, 36974), (11676, 36081), (12027, 35028), (13293, 31692), (14364, 29329), (15012, 28063), (15846, 26586), (16036, 26271), (17514, 24054), (17724, 23769), (18487, 22788)]