21000270954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1\times {\mathrm{3191}}^1$

素因数の和:3955

約数の個数: 64

約数和(自身を含む): 45646110720

約数和(自身を除く): 24645839766

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 607, 834, 1214, 1807, 1821, 3191, 3614, 3642, 5421, 6382, 7891, 9573, 10842, 15782, 19146, 23673, 41483, 47346, 82966, 84373, 124449, 168746, 248898, 253119, 443549, 506238, 887098, 1096849, 1330647, 1936937, 2193698, 2661294, 3290547, 3873874, 5766137, 5810811, 6581094, 11532274, 11621622, 17298411, 25180181, 34596822, 50360362, 75540543, 151081086, 269234243, 538468486, 807702729, 1615405458, 3500045159, 7000090318, 10500135477, 21000270954]

約数ペア:

[(1, 21000270954), (2, 10500135477), (3, 7000090318), (6, 3500045159), (13, 1615405458), (26, 807702729), (39, 538468486), (78, 269234243), (139, 151081086), (278, 75540543), (417, 50360362), (607, 34596822), (834, 25180181), (1214, 17298411), (1807, 11621622), (1821, 11532274), (3191, 6581094), (3614, 5810811), (3642, 5766137), (5421, 3873874), (6382, 3290547), (7891, 2661294), (9573, 2193698), (10842, 1936937), (15782, 1330647), (19146, 1096849), (23673, 887098), (41483, 506238), (47346, 443549), (82966, 253119), (84373, 248898), (124449, 168746)]