21925440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 168

約数和(自身を含む): 78931008

約数和(自身を除く): 57005568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 331, 345, 360, 368, 414, 460, 480, 552, 576, 662, 690, 720, 736, 828, 920, 960, 993, 1035, 1104, 1324, 1380, 1440, 1472, 1655, 1656, 1840, 1986, 2070, 2208, 2648, 2760, 2880, 2979, 3310, 3312, 3680, 3972, 4140, 4416, 4965, 5296, 5520, 5958, 6620, 6624, 7360, 7613, 7944, 8280, 9930, 10592, 11040, 11916, 13240, 13248, 14895, 15226, 15888, 16560, 19860, 21184, 22080, 22839, 23832, 26480, 29790, 30452, 31776, 33120, 38065, 39720, 45678, 47664, 52960, 59580, 60904, 63552, 66240, 68517, 76130, 79440, 91356, 95328, 105920, 114195, 119160, 121808, 137034, 152260, 158880, 182712, 190656, 228390, 238320, 243616, 274068, 304520, 317760, 342585, 365424, 456780, 476640, 487232, 548136, 609040, 685170, 730848, 913560, 953280, 1096272, 1218080, 1370340, 1461696, 1827120, 2192544, 2436160, 2740680, 3654240, 4385088, 5481360, 7308480, 10962720, 21925440]

約数ペア:

[(1, 21925440), (2, 10962720), (3, 7308480), (4, 5481360), (5, 4385088), (6, 3654240), (8, 2740680), (9, 2436160), (10, 2192544), (12, 1827120), (15, 1461696), (16, 1370340), (18, 1218080), (20, 1096272), (23, 953280), (24, 913560), (30, 730848), (32, 685170), (36, 609040), (40, 548136), (45, 487232), (46, 476640), (48, 456780), (60, 365424), (64, 342585), (69, 317760), (72, 304520), (80, 274068), (90, 243616), (92, 238320), (96, 228390), (115, 190656), (120, 182712), (138, 158880), (144, 152260), (160, 137034), (180, 121808), (184, 119160), (192, 114195), (207, 105920), (230, 95328), (240, 91356), (276, 79440), (288, 76130), (320, 68517), (331, 66240), (345, 63552), (360, 60904), (368, 59580), (414, 52960), (460, 47664), (480, 45678), (552, 39720), (576, 38065), (662, 33120), (690, 31776), (720, 30452), (736, 29790), (828, 26480), (920, 23832), (960, 22839), (993, 22080), (1035, 21184), (1104, 19860), (1324, 16560), (1380, 15888), (1440, 15226), (1472, 14895), (1655, 13248), (1656, 13240), (1840, 11916), (1986, 11040), (2070, 10592), (2208, 9930), (2648, 8280), (2760, 7944), (2880, 7613), (2979, 7360), (3310, 6624), (3312, 6620), (3680, 5958), (3972, 5520), (4140, 5296), (4416, 4965)]