21405676716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{1723}}^1$

素因数の和:2236

約数の個数: 144

約数和(自身を含む): 58511456640

約数和(自身を除く): 37105779924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 443, 492, 684, 738, 779, 886, 1329, 1476, 1558, 1723, 1772, 2337, 2658, 3116, 3446, 3987, 4674, 5169, 5316, 6892, 7011, 7974, 8417, 9348, 10338, 14022, 15507, 15948, 16834, 18163, 20676, 25251, 28044, 31014, 32737, 33668, 36326, 50502, 54489, 62028, 65474, 70643, 72652, 75753, 98211, 101004, 108978, 130948, 141286, 151506, 163467, 196422, 211929, 217956, 282572, 294633, 303012, 326934, 345097, 392844, 423858, 589266, 635787, 653868, 690194, 763289, 847716, 1035291, 1178532, 1271574, 1342217, 1380388, 1526578, 2070582, 2289867, 2543148, 2684434, 3053156, 3105873, 4026651, 4141164, 4579734, 5368868, 6211746, 6869601, 8053302, 9159468, 12079953, 12423492, 13739202, 14502491, 16106604, 24159906, 27478404, 29004982, 31294849, 43507473, 48319812, 58009964, 62589698, 87014946, 93884547, 125179396, 130522419, 174029892, 187769094, 261044838, 281653641, 375538188, 522089676, 563307282, 594602131, 1126614564, 1189204262, 1783806393, 2378408524, 3567612786, 5351419179, 7135225572, 10702838358, 21405676716]

約数ペア:

[(1, 21405676716), (2, 10702838358), (3, 7135225572), (4, 5351419179), (6, 3567612786), (9, 2378408524), (12, 1783806393), (18, 1189204262), (19, 1126614564), (36, 594602131), (38, 563307282), (41, 522089676), (57, 375538188), (76, 281653641), (82, 261044838), (114, 187769094), (123, 174029892), (164, 130522419), (171, 125179396), (228, 93884547), (246, 87014946), (342, 62589698), (369, 58009964), (443, 48319812), (492, 43507473), (684, 31294849), (738, 29004982), (779, 27478404), (886, 24159906), (1329, 16106604), (1476, 14502491), (1558, 13739202), (1723, 12423492), (1772, 12079953), (2337, 9159468), (2658, 8053302), (3116, 6869601), (3446, 6211746), (3987, 5368868), (4674, 4579734), (5169, 4141164), (5316, 4026651), (6892, 3105873), (7011, 3053156), (7974, 2684434), (8417, 2543148), (9348, 2289867), (10338, 2070582), (14022, 1526578), (15507, 1380388), (15948, 1342217), (16834, 1271574), (18163, 1178532), (20676, 1035291), (25251, 847716), (28044, 763289), (31014, 690194), (32737, 653868), (33668, 635787), (36326, 589266), (50502, 423858), (54489, 392844), (62028, 345097), (65474, 326934), (70643, 303012), (72652, 294633), (75753, 282572), (98211, 217956), (101004, 211929), (108978, 196422), (130948, 163467), (141286, 151506)]