21032550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:643

約数の個数: 144

約数和(自身を含む): 70566912

約数和(自身を除く): 49534362

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 50, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 150, 154, 165, 175, 198, 210, 225, 231, 275, 315, 330, 350, 385, 450, 462, 495, 525, 550, 607, 630, 693, 770, 825, 990, 1050, 1155, 1214, 1386, 1575, 1650, 1821, 1925, 2310, 2475, 3035, 3150, 3465, 3642, 3850, 4249, 4950, 5463, 5775, 6070, 6677, 6930, 8498, 9105, 10926, 11550, 12747, 13354, 15175, 17325, 18210, 20031, 21245, 25494, 27315, 30350, 33385, 34650, 38241, 40062, 42490, 45525, 46739, 54630, 60093, 63735, 66770, 76482, 91050, 93478, 100155, 106225, 120186, 127470, 136575, 140217, 166925, 191205, 200310, 212450, 233695, 273150, 280434, 300465, 318675, 333850, 382410, 420651, 467390, 500775, 600930, 637350, 701085, 841302, 956025, 1001550, 1168475, 1402170, 1502325, 1912050, 2103255, 2336950, 3004650, 3505425, 4206510, 7010850, 10516275, 21032550]

約数ペア:

[(1, 21032550), (2, 10516275), (3, 7010850), (5, 4206510), (6, 3505425), (7, 3004650), (9, 2336950), (10, 2103255), (11, 1912050), (14, 1502325), (15, 1402170), (18, 1168475), (21, 1001550), (22, 956025), (25, 841302), (30, 701085), (33, 637350), (35, 600930), (42, 500775), (45, 467390), (50, 420651), (55, 382410), (63, 333850), (66, 318675), (70, 300465), (75, 280434), (77, 273150), (90, 233695), (99, 212450), (105, 200310), (110, 191205), (126, 166925), (150, 140217), (154, 136575), (165, 127470), (175, 120186), (198, 106225), (210, 100155), (225, 93478), (231, 91050), (275, 76482), (315, 66770), (330, 63735), (350, 60093), (385, 54630), (450, 46739), (462, 45525), (495, 42490), (525, 40062), (550, 38241), (607, 34650), (630, 33385), (693, 30350), (770, 27315), (825, 25494), (990, 21245), (1050, 20031), (1155, 18210), (1214, 17325), (1386, 15175), (1575, 13354), (1650, 12747), (1821, 11550), (1925, 10926), (2310, 9105), (2475, 8498), (3035, 6930), (3150, 6677), (3465, 6070), (3642, 5775), (3850, 5463), (4249, 4950)]