21819970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1193}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 41264640

約数和(自身を除く): 19444670

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1193, 1829, 2386, 3658, 5965, 9145, 11930, 18290, 36983, 70387, 73966, 140774, 184915, 351935, 369830, 703870, 2181997, 4363994, 10909985, 21819970]

約数ペア:

[(1, 21819970), (2, 10909985), (5, 4363994), (10, 2181997), (31, 703870), (59, 369830), (62, 351935), (118, 184915), (155, 140774), (295, 73966), (310, 70387), (590, 36983), (1193, 18290), (1829, 11930), (2386, 9145), (3658, 5965)]