21354550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 49871808

約数和(自身を除く): 28517258

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 37, 50, 70, 74, 85, 97, 119, 170, 175, 185, 194, 238, 259, 350, 370, 425, 485, 518, 595, 629, 679, 850, 925, 970, 1190, 1258, 1295, 1358, 1649, 1850, 2425, 2590, 2975, 3145, 3298, 3395, 3589, 4403, 4850, 5950, 6290, 6475, 6790, 7178, 8245, 8806, 11543, 12950, 15725, 16490, 16975, 17945, 22015, 23086, 25123, 31450, 33950, 35890, 41225, 44030, 50246, 57715, 61013, 82450, 89725, 110075, 115430, 122026, 125615, 179450, 220150, 251230, 288575, 305065, 427091, 577150, 610130, 628075, 854182, 1256150, 1525325, 2135455, 3050650, 4270910, 10677275, 21354550]

約数ペア:

[(1, 21354550), (2, 10677275), (5, 4270910), (7, 3050650), (10, 2135455), (14, 1525325), (17, 1256150), (25, 854182), (34, 628075), (35, 610130), (37, 577150), (50, 427091), (70, 305065), (74, 288575), (85, 251230), (97, 220150), (119, 179450), (170, 125615), (175, 122026), (185, 115430), (194, 110075), (238, 89725), (259, 82450), (350, 61013), (370, 57715), (425, 50246), (485, 44030), (518, 41225), (595, 35890), (629, 33950), (679, 31450), (850, 25123), (925, 23086), (970, 22015), (1190, 17945), (1258, 16975), (1295, 16490), (1358, 15725), (1649, 12950), (1850, 11543), (2425, 8806), (2590, 8245), (2975, 7178), (3145, 6790), (3298, 6475), (3395, 6290), (3589, 5950), (4403, 4850)]