21823278

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 22690002

約数列:

[1, 2, 3, 6, 137, 139, 191, 274, 278, 382, 411, 417, 573, 822, 834, 1146, 19043, 26167, 26549, 38086, 52334, 53098, 57129, 78501, 79647, 114258, 157002, 159294, 3637213, 7274426, 10911639, 21823278]

約数ペア:

[(1, 21823278), (2, 10911639), (3, 7274426), (6, 3637213), (137, 159294), (139, 157002), (191, 114258), (274, 79647), (278, 78501), (382, 57129), (411, 53098), (417, 52334), (573, 38086), (822, 26549), (834, 26167), (1146, 19043)]