21237050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 42050880

約数和(自身を除く): 20813830

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 59, 115, 118, 230, 295, 313, 575, 590, 626, 1150, 1357, 1475, 1565, 2714, 2950, 3130, 6785, 7199, 7825, 13570, 14398, 15650, 18467, 33925, 35995, 36934, 67850, 71990, 92335, 179975, 184670, 359950, 424741, 461675, 849482, 923350, 2123705, 4247410, 10618525, 21237050]

約数ペア:

[(1, 21237050), (2, 10618525), (5, 4247410), (10, 2123705), (23, 923350), (25, 849482), (46, 461675), (50, 424741), (59, 359950), (115, 184670), (118, 179975), (230, 92335), (295, 71990), (313, 67850), (575, 36934), (590, 35995), (626, 33925), (1150, 18467), (1357, 15650), (1475, 14398), (1565, 13570), (2714, 7825), (2950, 7199), (3130, 6785)]