21311300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{4021}}^1$

素因数の和:4088

約数の個数: 36

約数和(自身を含む): 47129796

約数和(自身を除く): 25818496

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 4021, 5300, 8042, 16084, 20105, 40210, 80420, 100525, 201050, 213113, 402100, 426226, 852452, 1065565, 2131130, 4262260, 5327825, 10655650, 21311300]

約数ペア:

[(1, 21311300), (2, 10655650), (4, 5327825), (5, 4262260), (10, 2131130), (20, 1065565), (25, 852452), (50, 426226), (53, 402100), (100, 213113), (106, 201050), (212, 100525), (265, 80420), (530, 40210), (1060, 20105), (1325, 16084), (2650, 8042), (4021, 5300)]