21940291282

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1\times {\mathrm{1453}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 40861820160

約数和(自身を除く): 18921528878

約数列:

[1, 2, 7, 13, 14, 26, 91, 163, 182, 326, 509, 1018, 1141, 1453, 2119, 2282, 2906, 3563, 4238, 6617, 7126, 10171, 13234, 14833, 18889, 20342, 29666, 37778, 46319, 82967, 92638, 132223, 165934, 236839, 264446, 473678, 580769, 739577, 1078571, 1161538, 1479154, 1657873, 2157142, 3078907, 3315746, 5177039, 6157814, 7549997, 9614501, 10354078, 15099994, 19229002, 21552349, 43104698, 67301507, 120551051, 134603014, 241102102, 843857357, 1567163663, 1687714714, 3134327326, 10970145641, 21940291282]

約数ペア:

[(1, 21940291282), (2, 10970145641), (7, 3134327326), (13, 1687714714), (14, 1567163663), (26, 843857357), (91, 241102102), (163, 134603014), (182, 120551051), (326, 67301507), (509, 43104698), (1018, 21552349), (1141, 19229002), (1453, 15099994), (2119, 10354078), (2282, 9614501), (2906, 7549997), (3563, 6157814), (4238, 5177039), (6617, 3315746), (7126, 3078907), (10171, 2157142), (13234, 1657873), (14833, 1479154), (18889, 1161538), (20342, 1078571), (29666, 739577), (37778, 580769), (46319, 473678), (82967, 264446), (92638, 236839), (132223, 165934)]