21169400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15121}}^1$

素因数の和:15144

約数の個数: 48

約数和(自身を含む): 56253840

約数和(自身を除く): 35084440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15121, 30242, 60484, 75605, 105847, 120968, 151210, 211694, 302420, 378025, 423388, 529235, 604840, 756050, 846776, 1058470, 1512100, 2116940, 2646175, 3024200, 4233880, 5292350, 10584700, 21169400]

約数ペア:

[(1, 21169400), (2, 10584700), (4, 5292350), (5, 4233880), (7, 3024200), (8, 2646175), (10, 2116940), (14, 1512100), (20, 1058470), (25, 846776), (28, 756050), (35, 604840), (40, 529235), (50, 423388), (56, 378025), (70, 302420), (100, 211694), (140, 151210), (175, 120968), (200, 105847), (280, 75605), (350, 60484), (700, 30242), (1400, 15121)]