21222852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3461}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 57386112

約数和(自身を除く): 36163260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3461, 6132, 6922, 10383, 13844, 20766, 24227, 41532, 48454, 72681, 96908, 145362, 252653, 290724, 505306, 757959, 1010612, 1515918, 1768571, 3031836, 3537142, 5305713, 7074284, 10611426, 21222852]

約数ペア:

[(1, 21222852), (2, 10611426), (3, 7074284), (4, 5305713), (6, 3537142), (7, 3031836), (12, 1768571), (14, 1515918), (21, 1010612), (28, 757959), (42, 505306), (73, 290724), (84, 252653), (146, 145362), (219, 96908), (292, 72681), (438, 48454), (511, 41532), (876, 24227), (1022, 20766), (1533, 13844), (2044, 10383), (3066, 6922), (3461, 6132)]