21516300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 74613280

約数和(自身を除く): 53096980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 613, 650, 675, 702, 780, 900, 975, 1170, 1226, 1300, 1350, 1404, 1755, 1839, 1950, 2340, 2452, 2700, 2925, 3065, 3510, 3678, 3900, 5517, 5850, 6130, 7020, 7356, 7969, 8775, 9195, 11034, 11700, 12260, 15325, 15938, 16551, 17550, 18390, 22068, 23907, 27585, 30650, 31876, 33102, 35100, 36780, 39845, 45975, 47814, 55170, 61300, 66204, 71721, 79690, 82755, 91950, 95628, 110340, 119535, 137925, 143442, 159380, 165510, 183900, 199225, 215163, 239070, 275850, 286884, 331020, 358605, 398450, 413775, 430326, 478140, 551700, 597675, 717210, 796900, 827550, 860652, 1075815, 1195350, 1434420, 1655100, 1793025, 2151630, 2390700, 3586050, 4303260, 5379075, 7172100, 10758150, 21516300]

約数ペア:

[(1, 21516300), (2, 10758150), (3, 7172100), (4, 5379075), (5, 4303260), (6, 3586050), (9, 2390700), (10, 2151630), (12, 1793025), (13, 1655100), (15, 1434420), (18, 1195350), (20, 1075815), (25, 860652), (26, 827550), (27, 796900), (30, 717210), (36, 597675), (39, 551700), (45, 478140), (50, 430326), (52, 413775), (54, 398450), (60, 358605), (65, 331020), (75, 286884), (78, 275850), (90, 239070), (100, 215163), (108, 199225), (117, 183900), (130, 165510), (135, 159380), (150, 143442), (156, 137925), (180, 119535), (195, 110340), (225, 95628), (234, 91950), (260, 82755), (270, 79690), (300, 71721), (325, 66204), (351, 61300), (390, 55170), (450, 47814), (468, 45975), (540, 39845), (585, 36780), (613, 35100), (650, 33102), (675, 31876), (702, 30650), (780, 27585), (900, 23907), (975, 22068), (1170, 18390), (1226, 17550), (1300, 16551), (1350, 15938), (1404, 15325), (1755, 12260), (1839, 11700), (1950, 11034), (2340, 9195), (2452, 8775), (2700, 7969), (2925, 7356), (3065, 7020), (3510, 6130), (3678, 5850), (3900, 5517)]