21143850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1584

約数の個数: 96

約数和(自身を含む): 64579200

約数和(自身を除く): 43435350

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1549, 1950, 2275, 2730, 3098, 4550, 4647, 6825, 7745, 9294, 10843, 13650, 15490, 20137, 21686, 23235, 32529, 38725, 40274, 46470, 54215, 60411, 65058, 77450, 100685, 108430, 116175, 120822, 140959, 162645, 201370, 232350, 271075, 281918, 302055, 325290, 422877, 503425, 542150, 604110, 704795, 813225, 845754, 1006850, 1409590, 1510275, 1626450, 2114385, 3020550, 3523975, 4228770, 7047950, 10571925, 21143850]

約数ペア:

[(1, 21143850), (2, 10571925), (3, 7047950), (5, 4228770), (6, 3523975), (7, 3020550), (10, 2114385), (13, 1626450), (14, 1510275), (15, 1409590), (21, 1006850), (25, 845754), (26, 813225), (30, 704795), (35, 604110), (39, 542150), (42, 503425), (50, 422877), (65, 325290), (70, 302055), (75, 281918), (78, 271075), (91, 232350), (105, 201370), (130, 162645), (150, 140959), (175, 120822), (182, 116175), (195, 108430), (210, 100685), (273, 77450), (325, 65058), (350, 60411), (390, 54215), (455, 46470), (525, 40274), (546, 38725), (650, 32529), (910, 23235), (975, 21686), (1050, 20137), (1365, 15490), (1549, 13650), (1950, 10843), (2275, 9294), (2730, 7745), (3098, 6825), (4550, 4647)]