21919090

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 18723470

約数列:

[1, 2, 5, 10, 59, 97, 118, 194, 295, 383, 485, 590, 766, 970, 1915, 3830, 5723, 11446, 22597, 28615, 37151, 45194, 57230, 74302, 112985, 185755, 225970, 371510, 2191909, 4383818, 10959545, 21919090]

約数ペア:

[(1, 21919090), (2, 10959545), (5, 4383818), (10, 2191909), (59, 371510), (97, 225970), (118, 185755), (194, 112985), (295, 74302), (383, 57230), (485, 45194), (590, 37151), (766, 28615), (970, 22597), (1915, 11446), (3830, 5723)]