21403590915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2459}}^1\times {\mathrm{4363}}^1$

素因数の和:6856

約数の個数: 64

約数和(自身を含む): 41224089600

約数和(自身を除く): 19820498685

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 2459, 4363, 7377, 12295, 13089, 17213, 21815, 30541, 36885, 46721, 51639, 65445, 82897, 86065, 91623, 140163, 152705, 233605, 248691, 258195, 327047, 414485, 458115, 580279, 700815, 981141, 1243455, 1635235, 1740837, 2901395, 4905705, 8704185, 10728617, 32185851, 53643085, 75100319, 160929255, 203843723, 225300957, 375501595, 611531169, 1019218615, 1126504785, 1426906061, 3057655845, 4280718183, 7134530305, 21403590915]

約数ペア:

[(1, 21403590915), (3, 7134530305), (5, 4280718183), (7, 3057655845), (15, 1426906061), (19, 1126504785), (21, 1019218615), (35, 611531169), (57, 375501595), (95, 225300957), (105, 203843723), (133, 160929255), (285, 75100319), (399, 53643085), (665, 32185851), (1995, 10728617), (2459, 8704185), (4363, 4905705), (7377, 2901395), (12295, 1740837), (13089, 1635235), (17213, 1243455), (21815, 981141), (30541, 700815), (36885, 580279), (46721, 458115), (51639, 414485), (65445, 327047), (82897, 258195), (86065, 248691), (91623, 233605), (140163, 152705)]