21973050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 67549248

約数和(自身を除く): 45576198

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 25, 30, 33, 45, 46, 50, 55, 66, 69, 75, 90, 99, 110, 115, 138, 150, 165, 193, 198, 207, 225, 230, 253, 275, 330, 345, 386, 414, 450, 495, 506, 550, 575, 579, 690, 759, 825, 965, 990, 1035, 1150, 1158, 1265, 1518, 1650, 1725, 1737, 1930, 2070, 2123, 2277, 2475, 2530, 2895, 3450, 3474, 3795, 4246, 4439, 4554, 4825, 4950, 5175, 5790, 6325, 6369, 7590, 8685, 8878, 9650, 10350, 10615, 11385, 12650, 12738, 13317, 14475, 17370, 18975, 19107, 21230, 22195, 22770, 26634, 28950, 31845, 37950, 38214, 39951, 43425, 44390, 48829, 53075, 56925, 63690, 66585, 79902, 86850, 95535, 97658, 106150, 110975, 113850, 133170, 146487, 159225, 191070, 199755, 221950, 244145, 292974, 318450, 332925, 399510, 439461, 477675, 488290, 665850, 732435, 878922, 955350, 998775, 1220725, 1464870, 1997550, 2197305, 2441450, 3662175, 4394610, 7324350, 10986525, 21973050]

約数ペア:

[(1, 21973050), (2, 10986525), (3, 7324350), (5, 4394610), (6, 3662175), (9, 2441450), (10, 2197305), (11, 1997550), (15, 1464870), (18, 1220725), (22, 998775), (23, 955350), (25, 878922), (30, 732435), (33, 665850), (45, 488290), (46, 477675), (50, 439461), (55, 399510), (66, 332925), (69, 318450), (75, 292974), (90, 244145), (99, 221950), (110, 199755), (115, 191070), (138, 159225), (150, 146487), (165, 133170), (193, 113850), (198, 110975), (207, 106150), (225, 97658), (230, 95535), (253, 86850), (275, 79902), (330, 66585), (345, 63690), (386, 56925), (414, 53075), (450, 48829), (495, 44390), (506, 43425), (550, 39951), (575, 38214), (579, 37950), (690, 31845), (759, 28950), (825, 26634), (965, 22770), (990, 22195), (1035, 21230), (1150, 19107), (1158, 18975), (1265, 17370), (1518, 14475), (1650, 13317), (1725, 12738), (1737, 12650), (1930, 11385), (2070, 10615), (2123, 10350), (2277, 9650), (2475, 8878), (2530, 8685), (2895, 7590), (3450, 6369), (3474, 6325), (3795, 5790), (4246, 5175), (4439, 4950), (4554, 4825)]