21960918

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3557}}^1$

素因数の和:3586

約数の個数: 48

約数和(自身を含む): 55504800

約数和(自身を除く): 33543882

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3557, 6174, 7114, 10671, 21342, 24899, 32013, 49798, 64026, 74697, 149394, 174293, 224091, 348586, 448182, 522879, 1045758, 1220051, 1568637, 2440102, 3137274, 3660153, 7320306, 10980459, 21960918]

約数ペア:

[(1, 21960918), (2, 10980459), (3, 7320306), (6, 3660153), (7, 3137274), (9, 2440102), (14, 1568637), (18, 1220051), (21, 1045758), (42, 522879), (49, 448182), (63, 348586), (98, 224091), (126, 174293), (147, 149394), (294, 74697), (343, 64026), (441, 49798), (686, 32013), (882, 24899), (1029, 21342), (2058, 10671), (3087, 7114), (3557, 6174)]