21424914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7393}}^1$

素因数の和:7431

約数の個数: 48

約数和(自身を含む): 55366272

約数和(自身を除く): 33941358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7393, 14786, 22179, 44358, 51751, 66537, 103502, 133074, 155253, 170039, 310506, 340078, 465759, 510117, 931518, 1020234, 1190273, 1530351, 2380546, 3060702, 3570819, 7141638, 10712457, 21424914]

約数ペア:

[(1, 21424914), (2, 10712457), (3, 7141638), (6, 3570819), (7, 3060702), (9, 2380546), (14, 1530351), (18, 1190273), (21, 1020234), (23, 931518), (42, 510117), (46, 465759), (63, 340078), (69, 310506), (126, 170039), (138, 155253), (161, 133074), (207, 103502), (322, 66537), (414, 51751), (483, 44358), (966, 22179), (1449, 14786), (2898, 7393)]