21100716

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 71500800

約数和(自身を除く): 50400084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 84, 91, 108, 113, 114, 117, 126, 133, 156, 171, 182, 189, 226, 228, 234, 247, 252, 266, 273, 339, 342, 351, 364, 378, 399, 452, 468, 494, 513, 532, 546, 678, 684, 702, 741, 756, 791, 798, 819, 988, 1017, 1026, 1092, 1197, 1356, 1404, 1469, 1482, 1582, 1596, 1638, 1729, 2034, 2052, 2147, 2223, 2373, 2394, 2457, 2938, 2964, 3051, 3164, 3276, 3458, 3591, 4068, 4294, 4407, 4446, 4746, 4788, 4914, 5187, 5876, 6102, 6441, 6669, 6916, 7119, 7182, 8588, 8814, 8892, 9492, 9828, 10283, 10374, 12204, 12882, 13221, 13338, 14238, 14364, 15029, 15561, 17628, 19323, 20566, 20748, 21357, 25764, 26442, 26676, 27911, 28476, 30058, 30849, 31122, 38646, 39663, 41132, 42714, 45087, 46683, 52884, 55822, 57969, 60116, 61698, 62244, 77292, 79326, 83733, 85428, 90174, 92547, 93366, 111644, 115938, 123396, 135261, 158652, 167466, 180348, 185094, 186732, 195377, 231876, 251199, 270522, 277641, 334932, 370188, 390754, 405783, 502398, 541044, 555282, 586131, 753597, 781508, 811566, 1004796, 1110564, 1172262, 1507194, 1623132, 1758393, 2344524, 3014388, 3516786, 5275179, 7033572, 10550358, 21100716]

約数ペア:

[(1, 21100716), (2, 10550358), (3, 7033572), (4, 5275179), (6, 3516786), (7, 3014388), (9, 2344524), (12, 1758393), (13, 1623132), (14, 1507194), (18, 1172262), (19, 1110564), (21, 1004796), (26, 811566), (27, 781508), (28, 753597), (36, 586131), (38, 555282), (39, 541044), (42, 502398), (52, 405783), (54, 390754), (57, 370188), (63, 334932), (76, 277641), (78, 270522), (84, 251199), (91, 231876), (108, 195377), (113, 186732), (114, 185094), (117, 180348), (126, 167466), (133, 158652), (156, 135261), (171, 123396), (182, 115938), (189, 111644), (226, 93366), (228, 92547), (234, 90174), (247, 85428), (252, 83733), (266, 79326), (273, 77292), (339, 62244), (342, 61698), (351, 60116), (364, 57969), (378, 55822), (399, 52884), (452, 46683), (468, 45087), (494, 42714), (513, 41132), (532, 39663), (546, 38646), (678, 31122), (684, 30849), (702, 30058), (741, 28476), (756, 27911), (791, 26676), (798, 26442), (819, 25764), (988, 21357), (1017, 20748), (1026, 20566), (1092, 19323), (1197, 17628), (1356, 15561), (1404, 15029), (1469, 14364), (1482, 14238), (1582, 13338), (1596, 13221), (1638, 12882), (1729, 12204), (2034, 10374), (2052, 10283), (2147, 9828), (2223, 9492), (2373, 8892), (2394, 8814), (2457, 8588), (2938, 7182), (2964, 7119), (3051, 6916), (3164, 6669), (3276, 6441), (3458, 6102), (3591, 5876), (4068, 5187), (4294, 4914), (4407, 4788), (4446, 4746)]