21119098

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 43939476

約数和(自身を除く): 22820378

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 121, 137, 143, 154, 182, 242, 274, 286, 539, 637, 847, 959, 1001, 1078, 1274, 1507, 1573, 1694, 1781, 1918, 2002, 3014, 3146, 3562, 5929, 6713, 7007, 10549, 11011, 11858, 12467, 13426, 14014, 16577, 19591, 21098, 22022, 24934, 33154, 39182, 73843, 77077, 87269, 116039, 137137, 147686, 154154, 174538, 215501, 232078, 274274, 431002, 812273, 959959, 1508507, 1624546, 1919918, 3017014, 10559549, 21119098]

約数ペア:

[(1, 21119098), (2, 10559549), (7, 3017014), (11, 1919918), (13, 1624546), (14, 1508507), (22, 959959), (26, 812273), (49, 431002), (77, 274274), (91, 232078), (98, 215501), (121, 174538), (137, 154154), (143, 147686), (154, 137137), (182, 116039), (242, 87269), (274, 77077), (286, 73843), (539, 39182), (637, 33154), (847, 24934), (959, 22022), (1001, 21098), (1078, 19591), (1274, 16577), (1507, 14014), (1573, 13426), (1694, 12467), (1781, 11858), (1918, 11011), (2002, 10549), (3014, 7007), (3146, 6713), (3562, 5929)]