21937552

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 56276160

約数和(自身を除く): 34338608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 61, 76, 91, 104, 112, 122, 133, 152, 169, 182, 208, 244, 247, 266, 304, 338, 364, 427, 488, 494, 532, 676, 728, 793, 854, 976, 988, 1064, 1159, 1183, 1352, 1456, 1586, 1708, 1729, 1976, 2128, 2318, 2366, 2704, 3172, 3211, 3416, 3458, 3952, 4636, 4732, 5551, 6344, 6422, 6832, 6916, 8113, 9272, 9464, 10309, 11102, 12688, 12844, 13832, 15067, 16226, 18544, 18928, 20618, 22204, 22477, 25688, 27664, 30134, 32452, 41236, 44408, 44954, 51376, 60268, 64904, 72163, 82472, 88816, 89908, 105469, 120536, 129808, 144326, 164944, 179816, 195871, 210938, 241072, 288652, 359632, 391742, 421876, 577304, 783484, 843752, 1154608, 1371097, 1566968, 1687504, 2742194, 3133936, 5484388, 10968776, 21937552]

約数ペア:

[(1, 21937552), (2, 10968776), (4, 5484388), (7, 3133936), (8, 2742194), (13, 1687504), (14, 1566968), (16, 1371097), (19, 1154608), (26, 843752), (28, 783484), (38, 577304), (52, 421876), (56, 391742), (61, 359632), (76, 288652), (91, 241072), (104, 210938), (112, 195871), (122, 179816), (133, 164944), (152, 144326), (169, 129808), (182, 120536), (208, 105469), (244, 89908), (247, 88816), (266, 82472), (304, 72163), (338, 64904), (364, 60268), (427, 51376), (488, 44954), (494, 44408), (532, 41236), (676, 32452), (728, 30134), (793, 27664), (854, 25688), (976, 22477), (988, 22204), (1064, 20618), (1159, 18928), (1183, 18544), (1352, 16226), (1456, 15067), (1586, 13832), (1708, 12844), (1729, 12688), (1976, 11102), (2128, 10309), (2318, 9464), (2366, 9272), (2704, 8113), (3172, 6916), (3211, 6832), (3416, 6422), (3458, 6344), (3952, 5551), (4636, 4732)]