21210200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 34500520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 124, 155, 200, 220, 248, 275, 310, 311, 341, 440, 550, 620, 622, 682, 775, 1100, 1240, 1244, 1364, 1550, 1555, 1705, 2200, 2488, 2728, 3100, 3110, 3410, 3421, 6200, 6220, 6820, 6842, 7775, 8525, 9641, 12440, 13640, 13684, 15550, 17050, 17105, 19282, 27368, 31100, 34100, 34210, 38564, 48205, 62200, 68200, 68420, 77128, 85525, 96410, 106051, 136840, 171050, 192820, 212102, 241025, 342100, 385640, 424204, 482050, 530255, 684200, 848408, 964100, 1060510, 1928200, 2121020, 2651275, 4242040, 5302550, 10605100, 21210200]

約数ペア:

[(1, 21210200), (2, 10605100), (4, 5302550), (5, 4242040), (8, 2651275), (10, 2121020), (11, 1928200), (20, 1060510), (22, 964100), (25, 848408), (31, 684200), (40, 530255), (44, 482050), (50, 424204), (55, 385640), (62, 342100), (88, 241025), (100, 212102), (110, 192820), (124, 171050), (155, 136840), (200, 106051), (220, 96410), (248, 85525), (275, 77128), (310, 68420), (311, 68200), (341, 62200), (440, 48205), (550, 38564), (620, 34210), (622, 34100), (682, 31100), (775, 27368), (1100, 19282), (1240, 17105), (1244, 17050), (1364, 15550), (1550, 13684), (1555, 13640), (1705, 12440), (2200, 9641), (2488, 8525), (2728, 7775), (3100, 6842), (3110, 6820), (3410, 6220), (3421, 6200)]