21989853480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{534253}}^1$

素因数の和:534288

約数の個数: 128

約数和(自身を含む): 76932576000

約数和(自身を除く): 54942722520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 10290, 13720, 20580, 41160, 534253, 1068506, 1602759, 2137012, 2671265, 3205518, 3739771, 4274024, 5342530, 6411036, 7479542, 8013795, 10685060, 11219313, 12822072, 14959084, 16027590, 18698855, 21370120, 22438626, 26178397, 29918168, 32055180, 37397710, 44877252, 52356794, 56096565, 64110360, 74795420, 78535191, 89754504, 104713588, 112193130, 130891985, 149590840, 157070382, 183248779, 209427176, 224386260, 261783970, 314140764, 366497558, 392675955, 448772520, 523567940, 549746337, 628281528, 732995116, 785351910, 916243895, 1047135880, 1099492674, 1465990232, 1570703820, 1832487790, 2198985348, 2748731685, 3141407640, 3664975580, 4397970696, 5497463370, 7329951160, 10994926740, 21989853480]

約数ペア:

[(1, 21989853480), (2, 10994926740), (3, 7329951160), (4, 5497463370), (5, 4397970696), (6, 3664975580), (7, 3141407640), (8, 2748731685), (10, 2198985348), (12, 1832487790), (14, 1570703820), (15, 1465990232), (20, 1099492674), (21, 1047135880), (24, 916243895), (28, 785351910), (30, 732995116), (35, 628281528), (40, 549746337), (42, 523567940), (49, 448772520), (56, 392675955), (60, 366497558), (70, 314140764), (84, 261783970), (98, 224386260), (105, 209427176), (120, 183248779), (140, 157070382), (147, 149590840), (168, 130891985), (196, 112193130), (210, 104713588), (245, 89754504), (280, 78535191), (294, 74795420), (343, 64110360), (392, 56096565), (420, 52356794), (490, 44877252), (588, 37397710), (686, 32055180), (735, 29918168), (840, 26178397), (980, 22438626), (1029, 21370120), (1176, 18698855), (1372, 16027590), (1470, 14959084), (1715, 12822072), (1960, 11219313), (2058, 10685060), (2744, 8013795), (2940, 7479542), (3430, 6411036), (4116, 5342530), (5145, 4274024), (5880, 3739771), (6860, 3205518), (8232, 2671265), (10290, 2137012), (13720, 1602759), (20580, 1068506), (41160, 534253)]