21167791890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{123377}}^1$

素因数の和:123456

約数の個数: 128

約数和(自身を含む): 62537840640

約数和(自身を除く): 41370048750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 43, 57, 70, 86, 95, 105, 114, 129, 133, 190, 210, 215, 258, 266, 285, 301, 399, 430, 570, 602, 645, 665, 798, 817, 903, 1290, 1330, 1505, 1634, 1806, 1995, 2451, 3010, 3990, 4085, 4515, 4902, 5719, 8170, 9030, 11438, 12255, 17157, 24510, 28595, 34314, 57190, 85785, 123377, 171570, 246754, 370131, 616885, 740262, 863639, 1233770, 1727278, 1850655, 2344163, 2590917, 3701310, 4318195, 4688326, 5181834, 5305211, 7032489, 8636390, 10610422, 11720815, 12954585, 14064978, 15915633, 16409141, 23441630, 25909170, 26526055, 31831266, 32818282, 35162445, 37136477, 49227423, 53052110, 70324890, 74272954, 79578165, 82045705, 98454846, 100799009, 111409431, 159156330, 164091410, 185682385, 201598018, 222818862, 246137115, 302397027, 371364770, 492274230, 503995045, 557047155, 604794054, 705593063, 1007990090, 1114094310, 1411186126, 1511985135, 2116779189, 3023970270, 3527965315, 4233558378, 7055930630, 10583895945, 21167791890]

約数ペア:

[(1, 21167791890), (2, 10583895945), (3, 7055930630), (5, 4233558378), (6, 3527965315), (7, 3023970270), (10, 2116779189), (14, 1511985135), (15, 1411186126), (19, 1114094310), (21, 1007990090), (30, 705593063), (35, 604794054), (38, 557047155), (42, 503995045), (43, 492274230), (57, 371364770), (70, 302397027), (86, 246137115), (95, 222818862), (105, 201598018), (114, 185682385), (129, 164091410), (133, 159156330), (190, 111409431), (210, 100799009), (215, 98454846), (258, 82045705), (266, 79578165), (285, 74272954), (301, 70324890), (399, 53052110), (430, 49227423), (570, 37136477), (602, 35162445), (645, 32818282), (665, 31831266), (798, 26526055), (817, 25909170), (903, 23441630), (1290, 16409141), (1330, 15915633), (1505, 14064978), (1634, 12954585), (1806, 11720815), (1995, 10610422), (2451, 8636390), (3010, 7032489), (3990, 5305211), (4085, 5181834), (4515, 4688326), (4902, 4318195), (5719, 3701310), (8170, 2590917), (9030, 2344163), (11438, 1850655), (12255, 1727278), (17157, 1233770), (24510, 863639), (28595, 740262), (34314, 616885), (57190, 370131), (85785, 246754), (123377, 171570)]