21173982648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{24923}}^1$

素因数の和:25341

約数の個数: 128

約数和(自身を含む): 65320819200

約数和(自身を除く): 44146836552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 389, 546, 728, 778, 1092, 1167, 1556, 2184, 2334, 2723, 3112, 4668, 5057, 5446, 8169, 9336, 10114, 10892, 15171, 16338, 20228, 21784, 24923, 30342, 32676, 35399, 40456, 49846, 60684, 65352, 70798, 74769, 99692, 106197, 121368, 141596, 149538, 174461, 199384, 212394, 283192, 299076, 323999, 348922, 424788, 523383, 598152, 647998, 697844, 849576, 971997, 1046766, 1295996, 1395688, 1943994, 2093532, 2267993, 2591992, 3887988, 4187064, 4535986, 6803979, 7775976, 9071972, 9695047, 13607958, 18143944, 19390094, 27215916, 29085141, 38780188, 54431832, 58170282, 67865329, 77560376, 116340564, 126035611, 135730658, 203595987, 232681128, 252071222, 271461316, 378106833, 407191974, 504142444, 542922632, 756213666, 814383948, 882249277, 1008284888, 1512427332, 1628767896, 1764498554, 2646747831, 3024854664, 3528997108, 5293495662, 7057994216, 10586991324, 21173982648]

約数ペア:

[(1, 21173982648), (2, 10586991324), (3, 7057994216), (4, 5293495662), (6, 3528997108), (7, 3024854664), (8, 2646747831), (12, 1764498554), (13, 1628767896), (14, 1512427332), (21, 1008284888), (24, 882249277), (26, 814383948), (28, 756213666), (39, 542922632), (42, 504142444), (52, 407191974), (56, 378106833), (78, 271461316), (84, 252071222), (91, 232681128), (104, 203595987), (156, 135730658), (168, 126035611), (182, 116340564), (273, 77560376), (312, 67865329), (364, 58170282), (389, 54431832), (546, 38780188), (728, 29085141), (778, 27215916), (1092, 19390094), (1167, 18143944), (1556, 13607958), (2184, 9695047), (2334, 9071972), (2723, 7775976), (3112, 6803979), (4668, 4535986), (5057, 4187064), (5446, 3887988), (8169, 2591992), (9336, 2267993), (10114, 2093532), (10892, 1943994), (15171, 1395688), (16338, 1295996), (20228, 1046766), (21784, 971997), (24923, 849576), (30342, 697844), (32676, 647998), (35399, 598152), (40456, 523383), (49846, 424788), (60684, 348922), (65352, 323999), (70798, 299076), (74769, 283192), (99692, 212394), (106197, 199384), (121368, 174461), (141596, 149538)]