21969270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 61562592

約数和(自身を除く): 39593322

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 83, 85, 90, 102, 153, 166, 170, 173, 249, 255, 306, 346, 415, 498, 510, 519, 747, 765, 830, 865, 1038, 1245, 1411, 1494, 1530, 1557, 1730, 2490, 2595, 2822, 2941, 3114, 3735, 4233, 5190, 5882, 7055, 7470, 7785, 8466, 8823, 12699, 14110, 14359, 14705, 15570, 17646, 21165, 25398, 26469, 28718, 29410, 42330, 43077, 44115, 52938, 63495, 71795, 86154, 88230, 126990, 129231, 132345, 143590, 215385, 244103, 258462, 264690, 430770, 488206, 646155, 732309, 1220515, 1292310, 1464618, 2196927, 2441030, 3661545, 4393854, 7323090, 10984635, 21969270]

約数ペア:

[(1, 21969270), (2, 10984635), (3, 7323090), (5, 4393854), (6, 3661545), (9, 2441030), (10, 2196927), (15, 1464618), (17, 1292310), (18, 1220515), (30, 732309), (34, 646155), (45, 488206), (51, 430770), (83, 264690), (85, 258462), (90, 244103), (102, 215385), (153, 143590), (166, 132345), (170, 129231), (173, 126990), (249, 88230), (255, 86154), (306, 71795), (346, 63495), (415, 52938), (498, 44115), (510, 43077), (519, 42330), (747, 29410), (765, 28718), (830, 26469), (865, 25398), (1038, 21165), (1245, 17646), (1411, 15570), (1494, 14705), (1530, 14359), (1557, 14110), (1730, 12699), (2490, 8823), (2595, 8466), (2822, 7785), (2941, 7470), (3114, 7055), (3735, 5882), (4233, 5190)]