21085915691274

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1747}}^1\times {\mathrm{519667}}^1$

素因数の和:521512

約数の個数: 96

約数和(自身を含む): 49706535214080

約数和(自身を除く): 28620619522806

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 147, 158, 237, 294, 474, 553, 1106, 1659, 1747, 3318, 3494, 3871, 5241, 7742, 10482, 11613, 12229, 23226, 24458, 36687, 73374, 85603, 138013, 171206, 256809, 276026, 414039, 513618, 519667, 828078, 966091, 1039334, 1559001, 1932182, 2898273, 3118002, 3637669, 5796546, 6762637, 7275338, 10913007, 13525274, 20287911, 21826014, 25463683, 40575822, 41053693, 50927366, 76391049, 82107386, 123161079, 152782098, 246322158, 287375851, 574751702, 862127553, 907858249, 1724255106, 1815716498, 2011630957, 2723574747, 4023261914, 5447149494, 6034892871, 6355007743, 12069785742, 12710015486, 19065023229, 38130046458, 44485054201, 71720801671, 88970108402, 133455162603, 143441603342, 215162405013, 266910325206, 430324810026, 502045611697, 1004091223394, 1506136835091, 3012273670182, 3514319281879, 7028638563758, 10542957845637, 21085915691274]

約数ペア:

[(1, 21085915691274), (2, 10542957845637), (3, 7028638563758), (6, 3514319281879), (7, 3012273670182), (14, 1506136835091), (21, 1004091223394), (42, 502045611697), (49, 430324810026), (79, 266910325206), (98, 215162405013), (147, 143441603342), (158, 133455162603), (237, 88970108402), (294, 71720801671), (474, 44485054201), (553, 38130046458), (1106, 19065023229), (1659, 12710015486), (1747, 12069785742), (3318, 6355007743), (3494, 6034892871), (3871, 5447149494), (5241, 4023261914), (7742, 2723574747), (10482, 2011630957), (11613, 1815716498), (12229, 1724255106), (23226, 907858249), (24458, 862127553), (36687, 574751702), (73374, 287375851), (85603, 246322158), (138013, 152782098), (171206, 123161079), (256809, 82107386), (276026, 76391049), (414039, 50927366), (513618, 41053693), (519667, 40575822), (828078, 25463683), (966091, 21826014), (1039334, 20287911), (1559001, 13525274), (1932182, 10913007), (2898273, 7275338), (3118002, 6762637), (3637669, 5796546)]