21337300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6883}}^1$

素因数の和:6928

約数の個数: 36

約数和(自身を含む): 47802496

約数和(自身を除く): 26465196

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6883, 13766, 27532, 34415, 68830, 137660, 172075, 213373, 344150, 426746, 688300, 853492, 1066865, 2133730, 4267460, 5334325, 10668650, 21337300]

約数ペア:

[(1, 21337300), (2, 10668650), (4, 5334325), (5, 4267460), (10, 2133730), (20, 1066865), (25, 853492), (31, 688300), (50, 426746), (62, 344150), (100, 213373), (124, 172075), (155, 137660), (310, 68830), (620, 34415), (775, 27532), (1550, 13766), (3100, 6883)]