21241300

素因数分解:

$2^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{683}}^1$

素因数の和:1008

約数の個数: 36

約数和(自身を含む): 46309536

約数和(自身を除く): 25068236

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 311, 622, 683, 1244, 1366, 1555, 2732, 3110, 3415, 6220, 6830, 7775, 13660, 15550, 17075, 31100, 34150, 68300, 212413, 424826, 849652, 1062065, 2124130, 4248260, 5310325, 10620650, 21241300]

約数ペア:

[(1, 21241300), (2, 10620650), (4, 5310325), (5, 4248260), (10, 2124130), (20, 1062065), (25, 849652), (50, 424826), (100, 212413), (311, 68300), (622, 34150), (683, 31100), (1244, 17075), (1366, 15550), (1555, 13660), (2732, 7775), (3110, 6830), (3415, 6220)]