21890358

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8273}}^1$

素因数の和:8298

約数の個数: 48

約数和(自身を含む): 56594160

約数和(自身を除く): 34703802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8273, 16546, 24819, 49638, 57911, 74457, 115822, 148914, 173733, 223371, 347466, 405377, 446742, 521199, 810754, 1042398, 1216131, 1563597, 2432262, 3127194, 3648393, 7296786, 10945179, 21890358]

約数ペア:

[(1, 21890358), (2, 10945179), (3, 7296786), (6, 3648393), (7, 3127194), (9, 2432262), (14, 1563597), (18, 1216131), (21, 1042398), (27, 810754), (42, 521199), (49, 446742), (54, 405377), (63, 347466), (98, 223371), (126, 173733), (147, 148914), (189, 115822), (294, 74457), (378, 57911), (441, 49638), (882, 24819), (1323, 16546), (2646, 8273)]