21795690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14827}}^1$

素因数の和:14851

約数の個数: 48

約数和(自身を含む): 60854112

約数和(自身を除く): 39058422

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, 14827, 29654, 44481, 74135, 88962, 103789, 148270, 207578, 222405, 311367, 444810, 518945, 622734, 726523, 1037890, 1453046, 1556835, 2179569, 3113670, 3632615, 4359138, 7265230, 10897845, 21795690]

約数ペア:

[(1, 21795690), (2, 10897845), (3, 7265230), (5, 4359138), (6, 3632615), (7, 3113670), (10, 2179569), (14, 1556835), (15, 1453046), (21, 1037890), (30, 726523), (35, 622734), (42, 518945), (49, 444810), (70, 311367), (98, 222405), (105, 207578), (147, 148270), (210, 103789), (245, 88962), (294, 74135), (490, 44481), (735, 29654), (1470, 14827)]