21962050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 45256032

約数和(自身を除く): 23293982

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 146, 275, 365, 547, 550, 730, 803, 1094, 1606, 1825, 2735, 3650, 4015, 5470, 6017, 8030, 12034, 13675, 20075, 27350, 30085, 39931, 40150, 60170, 79862, 150425, 199655, 300850, 399310, 439241, 878482, 998275, 1996550, 2196205, 4392410, 10981025, 21962050]

約数ペア:

[(1, 21962050), (2, 10981025), (5, 4392410), (10, 2196205), (11, 1996550), (22, 998275), (25, 878482), (50, 439241), (55, 399310), (73, 300850), (110, 199655), (146, 150425), (275, 79862), (365, 60170), (547, 40150), (550, 39931), (730, 30085), (803, 27350), (1094, 20075), (1606, 13675), (1825, 12034), (2735, 8030), (3650, 6017), (4015, 5470)]