21237663700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^2\times {\mathrm{3623}}^1$

素因数の和:3794

約数の個数: 108

約数和(自身を含む): 50987549088

約数和(自身を除く): 29749885388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 146, 220, 275, 292, 365, 550, 730, 803, 1100, 1460, 1606, 1825, 3212, 3623, 3650, 4015, 5329, 7246, 7300, 8030, 10658, 14492, 16060, 18115, 20075, 21316, 26645, 36230, 39853, 40150, 53290, 58619, 72460, 79706, 80300, 90575, 106580, 117238, 133225, 159412, 181150, 199265, 234476, 264479, 266450, 293095, 362300, 398530, 528958, 532900, 586190, 797060, 996325, 1057916, 1172380, 1322395, 1465475, 1992650, 2644790, 2909269, 2930950, 3985300, 5289580, 5818538, 5861900, 6611975, 11637076, 13223950, 14546345, 19306967, 26447900, 29092690, 38613934, 58185380, 72731725, 77227868, 96534835, 145463450, 193069670, 212376637, 290926900, 386139340, 424753274, 482674175, 849506548, 965348350, 1061883185, 1930696700, 2123766370, 4247532740, 5309415925, 10618831850, 21237663700]

約数ペア:

[(1, 21237663700), (2, 10618831850), (4, 5309415925), (5, 4247532740), (10, 2123766370), (11, 1930696700), (20, 1061883185), (22, 965348350), (25, 849506548), (44, 482674175), (50, 424753274), (55, 386139340), (73, 290926900), (100, 212376637), (110, 193069670), (146, 145463450), (220, 96534835), (275, 77227868), (292, 72731725), (365, 58185380), (550, 38613934), (730, 29092690), (803, 26447900), (1100, 19306967), (1460, 14546345), (1606, 13223950), (1825, 11637076), (3212, 6611975), (3623, 5861900), (3650, 5818538), (4015, 5289580), (5329, 3985300), (7246, 2930950), (7300, 2909269), (8030, 2644790), (10658, 1992650), (14492, 1465475), (16060, 1322395), (18115, 1172380), (20075, 1057916), (21316, 996325), (26645, 797060), (36230, 586190), (39853, 532900), (40150, 528958), (53290, 398530), (58619, 362300), (72460, 293095), (79706, 266450), (80300, 264479), (90575, 234476), (106580, 199265), (117238, 181150), (133225, 159412)]