21956950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 43452576

約数和(自身を除く): 21495626

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 61, 115, 122, 230, 305, 313, 575, 610, 626, 1150, 1403, 1525, 1565, 2806, 3050, 3130, 7015, 7199, 7825, 14030, 14398, 15650, 19093, 35075, 35995, 38186, 70150, 71990, 95465, 179975, 190930, 359950, 439139, 477325, 878278, 954650, 2195695, 4391390, 10978475, 21956950]

約数ペア:

[(1, 21956950), (2, 10978475), (5, 4391390), (10, 2195695), (23, 954650), (25, 878278), (46, 477325), (50, 439139), (61, 359950), (115, 190930), (122, 179975), (230, 95465), (305, 71990), (313, 70150), (575, 38186), (610, 35995), (626, 35075), (1150, 19093), (1403, 15650), (1525, 14398), (1565, 14030), (2806, 7825), (3050, 7199), (3130, 7015)]