21167451340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{421159}}^1$

素因数の和:421534

約数の個数: 48

約数和(自身を含む): 50943513600

約数和(自身を除く): 29776062260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1436, 1795, 2513, 3590, 5026, 7180, 10052, 12565, 25130, 50260, 421159, 842318, 1684636, 2105795, 2948113, 4211590, 5896226, 8423180, 11792452, 14740565, 29481130, 58962260, 151196081, 302392162, 604784324, 755980405, 1058372567, 1511960810, 2116745134, 3023921620, 4233490268, 5291862835, 10583725670, 21167451340]

約数ペア:

[(1, 21167451340), (2, 10583725670), (4, 5291862835), (5, 4233490268), (7, 3023921620), (10, 2116745134), (14, 1511960810), (20, 1058372567), (28, 755980405), (35, 604784324), (70, 302392162), (140, 151196081), (359, 58962260), (718, 29481130), (1436, 14740565), (1795, 11792452), (2513, 8423180), (3590, 5896226), (5026, 4211590), (7180, 2948113), (10052, 2105795), (12565, 1684636), (25130, 842318), (50260, 421159)]