2021807130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{1375379}}^1$

素因数の和:1375403

約数の個数: 48

約数和(自身を含む): 5644559520

約数和(自身を除く): 3622752390

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, 1375379, 2750758, 4126137, 6876895, 8252274, 9627653, 13753790, 19255306, 20630685, 28882959, 41261370, 48138265, 57765918, 67393571, 96276530, 134787142, 144414795, 202180713, 288829590, 336967855, 404361426, 673935710, 1010903565, 2021807130]

約数ペア:

[(1, 2021807130), (2, 1010903565), (3, 673935710), (5, 404361426), (6, 336967855), (7, 288829590), (10, 202180713), (14, 144414795), (15, 134787142), (21, 96276530), (30, 67393571), (35, 57765918), (42, 48138265), (49, 41261370), (70, 28882959), (98, 20630685), (105, 19255306), (147, 13753790), (210, 9627653), (245, 8252274), (294, 6876895), (490, 4126137), (735, 2750758), (1470, 1375379)]