21401532

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 56655872

約数和(自身を除く): 35254340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 151, 186, 254, 279, 302, 372, 381, 453, 508, 558, 604, 762, 906, 1116, 1143, 1359, 1524, 1812, 2286, 2718, 3937, 4572, 4681, 5436, 7874, 9362, 11811, 14043, 15748, 18724, 19177, 23622, 28086, 35433, 38354, 42129, 47244, 56172, 57531, 70866, 76708, 84258, 115062, 141732, 168516, 172593, 230124, 345186, 594487, 690372, 1188974, 1783461, 2377948, 3566922, 5350383, 7133844, 10700766, 21401532]

約数ペア:

[(1, 21401532), (2, 10700766), (3, 7133844), (4, 5350383), (6, 3566922), (9, 2377948), (12, 1783461), (18, 1188974), (31, 690372), (36, 594487), (62, 345186), (93, 230124), (124, 172593), (127, 168516), (151, 141732), (186, 115062), (254, 84258), (279, 76708), (302, 70866), (372, 57531), (381, 56172), (453, 47244), (508, 42129), (558, 38354), (604, 35433), (762, 28086), (906, 23622), (1116, 19177), (1143, 18724), (1359, 15748), (1524, 14043), (1812, 11811), (2286, 9362), (2718, 7874), (3937, 5436), (4572, 4681)]