21298392

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15569}}^1$

素因数の和:15600

約数の個数: 48

約数和(自身を含む): 60723000

約数和(自身を除く): 39424608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15569, 31138, 46707, 62276, 93414, 124552, 140121, 186828, 280242, 295811, 373656, 560484, 591622, 887433, 1120968, 1183244, 1774866, 2366488, 2662299, 3549732, 5324598, 7099464, 10649196, 21298392]

約数ペア:

[(1, 21298392), (2, 10649196), (3, 7099464), (4, 5324598), (6, 3549732), (8, 2662299), (9, 2366488), (12, 1774866), (18, 1183244), (19, 1120968), (24, 887433), (36, 591622), (38, 560484), (57, 373656), (72, 295811), (76, 280242), (114, 186828), (152, 140121), (171, 124552), (228, 93414), (342, 62276), (456, 46707), (684, 31138), (1368, 15569)]