21075210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18013}}^1$

素因数の和:18039

約数の個数: 48

約数和(自身を含む): 59013864

約数和(自身を除く): 37938654

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18013, 36026, 54039, 90065, 108078, 162117, 180130, 234169, 270195, 324234, 468338, 540390, 702507, 810585, 1170845, 1405014, 1621170, 2107521, 2341690, 3512535, 4215042, 7025070, 10537605, 21075210]

約数ペア:

[(1, 21075210), (2, 10537605), (3, 7025070), (5, 4215042), (6, 3512535), (9, 2341690), (10, 2107521), (13, 1621170), (15, 1405014), (18, 1170845), (26, 810585), (30, 702507), (39, 540390), (45, 468338), (65, 324234), (78, 270195), (90, 234169), (117, 180130), (130, 162117), (195, 108078), (234, 90065), (390, 54039), (585, 36026), (1170, 18013)]