21079450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 45175680

約数和(自身を除く): 24096230

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 229, 263, 350, 458, 526, 1145, 1315, 1603, 1841, 2290, 2630, 3206, 3682, 5725, 6575, 8015, 9205, 11450, 13150, 16030, 18410, 40075, 46025, 60227, 80150, 92050, 120454, 301135, 421589, 602270, 843178, 1505675, 2107945, 3011350, 4215890, 10539725, 21079450]

約数ペア:

[(1, 21079450), (2, 10539725), (5, 4215890), (7, 3011350), (10, 2107945), (14, 1505675), (25, 843178), (35, 602270), (50, 421589), (70, 301135), (175, 120454), (229, 92050), (263, 80150), (350, 60227), (458, 46025), (526, 40075), (1145, 18410), (1315, 16030), (1603, 13150), (1841, 11450), (2290, 9205), (2630, 8015), (3206, 6575), (3682, 5725)]