21611590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 55738368

約数和(自身を除く): 34126778

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 17, 22, 26, 34, 35, 55, 65, 70, 77, 85, 91, 110, 119, 127, 130, 143, 154, 170, 182, 187, 221, 238, 254, 286, 374, 385, 442, 455, 595, 635, 715, 770, 889, 910, 935, 1001, 1105, 1190, 1270, 1309, 1397, 1430, 1547, 1651, 1778, 1870, 2002, 2159, 2210, 2431, 2618, 2794, 3094, 3302, 4318, 4445, 4862, 5005, 6545, 6985, 7735, 8255, 8890, 9779, 10010, 10795, 11557, 12155, 13090, 13970, 15113, 15470, 16510, 17017, 18161, 19558, 21590, 23114, 23749, 24310, 28067, 30226, 34034, 36322, 47498, 48895, 56134, 57785, 75565, 85085, 90805, 97790, 115570, 118745, 127127, 140335, 151130, 166243, 170170, 181610, 196469, 237490, 254254, 280670, 308737, 332486, 392938, 617474, 635635, 831215, 982345, 1271270, 1543685, 1662430, 1964690, 2161159, 3087370, 4322318, 10805795, 21611590]

約数ペア:

[(1, 21611590), (2, 10805795), (5, 4322318), (7, 3087370), (10, 2161159), (11, 1964690), (13, 1662430), (14, 1543685), (17, 1271270), (22, 982345), (26, 831215), (34, 635635), (35, 617474), (55, 392938), (65, 332486), (70, 308737), (77, 280670), (85, 254254), (91, 237490), (110, 196469), (119, 181610), (127, 170170), (130, 166243), (143, 151130), (154, 140335), (170, 127127), (182, 118745), (187, 115570), (221, 97790), (238, 90805), (254, 85085), (286, 75565), (374, 57785), (385, 56134), (442, 48895), (455, 47498), (595, 36322), (635, 34034), (715, 30226), (770, 28067), (889, 24310), (910, 23749), (935, 23114), (1001, 21590), (1105, 19558), (1190, 18161), (1270, 17017), (1309, 16510), (1397, 15470), (1430, 15113), (1547, 13970), (1651, 13090), (1778, 12155), (1870, 11557), (2002, 10795), (2159, 10010), (2210, 9779), (2431, 8890), (2618, 8255), (2794, 7735), (3094, 6985), (3302, 6545), (4318, 5005), (4445, 4862)]