21025410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14303}}^1$

素因数の和:14327

約数の個数: 48

約数和(自身を含む): 58703616

約数和(自身を除く): 37678206

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14303, 28606, 42909, 71515, 85818, 100121, 143030, 200242, 214545, 300363, 429090, 500605, 600726, 700847, 1001210, 1401694, 1501815, 2102541, 3003630, 3504235, 4205082, 7008470, 10512705, 21025410]

約数ペア:

[(1, 21025410), (2, 10512705), (3, 7008470), (5, 4205082), (6, 3504235), (7, 3003630), (10, 2102541), (14, 1501815), (15, 1401694), (21, 1001210), (30, 700847), (35, 600726), (42, 500605), (49, 429090), (70, 300363), (98, 214545), (105, 200242), (147, 143030), (210, 100121), (245, 85818), (294, 71515), (490, 42909), (735, 28606), (1470, 14303)]