21625110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 63745920

約数和(自身を除く): 42120810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 90, 101, 117, 122, 130, 135, 183, 195, 202, 234, 270, 303, 305, 351, 366, 390, 505, 549, 585, 606, 610, 702, 793, 909, 915, 1010, 1098, 1170, 1313, 1515, 1586, 1647, 1755, 1818, 1830, 2379, 2626, 2727, 2745, 3030, 3294, 3510, 3939, 3965, 4545, 4758, 5454, 5490, 6161, 6565, 7137, 7878, 7930, 8235, 9090, 11817, 11895, 12322, 13130, 13635, 14274, 16470, 18483, 19695, 21411, 23634, 23790, 27270, 30805, 35451, 35685, 36966, 39390, 42822, 55449, 59085, 61610, 70902, 71370, 80093, 92415, 107055, 110898, 118170, 160186, 166347, 177255, 184830, 214110, 240279, 277245, 332694, 354510, 400465, 480558, 554490, 720837, 800930, 831735, 1201395, 1441674, 1663470, 2162511, 2402790, 3604185, 4325022, 7208370, 10812555, 21625110]

約数ペア:

[(1, 21625110), (2, 10812555), (3, 7208370), (5, 4325022), (6, 3604185), (9, 2402790), (10, 2162511), (13, 1663470), (15, 1441674), (18, 1201395), (26, 831735), (27, 800930), (30, 720837), (39, 554490), (45, 480558), (54, 400465), (61, 354510), (65, 332694), (78, 277245), (90, 240279), (101, 214110), (117, 184830), (122, 177255), (130, 166347), (135, 160186), (183, 118170), (195, 110898), (202, 107055), (234, 92415), (270, 80093), (303, 71370), (305, 70902), (351, 61610), (366, 59085), (390, 55449), (505, 42822), (549, 39390), (585, 36966), (606, 35685), (610, 35451), (702, 30805), (793, 27270), (909, 23790), (915, 23634), (1010, 21411), (1098, 19695), (1170, 18483), (1313, 16470), (1515, 14274), (1586, 13635), (1647, 13130), (1755, 12322), (1818, 11895), (1830, 11817), (2379, 9090), (2626, 8235), (2727, 7930), (2745, 7878), (3030, 7137), (3294, 6565), (3510, 6161), (3939, 5490), (3965, 5454), (4545, 4758)]