21404611968

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{2897}}^1$

素因数の和:3256

約数の個数: 128

約数和(自身を含む): 57889520640

約数和(自身を除く): 36484908672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 271, 284, 384, 426, 542, 568, 813, 852, 1084, 1136, 1626, 1704, 2168, 2272, 2897, 3252, 3408, 4336, 4544, 5794, 6504, 6816, 8672, 8691, 9088, 11588, 13008, 13632, 17344, 17382, 19241, 23176, 26016, 27264, 34688, 34764, 38482, 46352, 52032, 57723, 69528, 76964, 92704, 104064, 115446, 139056, 153928, 185408, 205687, 230892, 278112, 307856, 370816, 411374, 461784, 556224, 615712, 617061, 785087, 822748, 923568, 1112448, 1231424, 1234122, 1570174, 1645496, 1847136, 2355261, 2462848, 2468244, 3140348, 3290992, 3694272, 4710522, 4936488, 6280696, 6581984, 7388544, 9421044, 9872976, 12561392, 13163968, 18842088, 19745952, 25122784, 26327936, 37684176, 39491904, 50245568, 55741177, 75368352, 78983808, 100491136, 111482354, 150736704, 167223531, 222964708, 301473408, 334447062, 445929416, 668894124, 891858832, 1337788248, 1783717664, 2675576496, 3567435328, 5351152992, 7134870656, 10702305984, 21404611968]

約数ペア:

[(1, 21404611968), (2, 10702305984), (3, 7134870656), (4, 5351152992), (6, 3567435328), (8, 2675576496), (12, 1783717664), (16, 1337788248), (24, 891858832), (32, 668894124), (48, 445929416), (64, 334447062), (71, 301473408), (96, 222964708), (128, 167223531), (142, 150736704), (192, 111482354), (213, 100491136), (271, 78983808), (284, 75368352), (384, 55741177), (426, 50245568), (542, 39491904), (568, 37684176), (813, 26327936), (852, 25122784), (1084, 19745952), (1136, 18842088), (1626, 13163968), (1704, 12561392), (2168, 9872976), (2272, 9421044), (2897, 7388544), (3252, 6581984), (3408, 6280696), (4336, 4936488), (4544, 4710522), (5794, 3694272), (6504, 3290992), (6816, 3140348), (8672, 2468244), (8691, 2462848), (9088, 2355261), (11588, 1847136), (13008, 1645496), (13632, 1570174), (17344, 1234122), (17382, 1231424), (19241, 1112448), (23176, 923568), (26016, 822748), (27264, 785087), (34688, 617061), (34764, 615712), (38482, 556224), (46352, 461784), (52032, 411374), (57723, 370816), (69528, 307856), (76964, 278112), (92704, 230892), (104064, 205687), (115446, 185408), (139056, 153928)]