21752912888

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1\times {\mathrm{7603}}^1$

素因数の和:10324

約数の個数: 64

約数和(自身を含む): 49091424000

約数和(自身を除く): 27338511112

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 2689, 5378, 7603, 10756, 15206, 18823, 21512, 30412, 37646, 51091, 53221, 60824, 75292, 102182, 106442, 144457, 150584, 204364, 212884, 288914, 357637, 408728, 425768, 577828, 715274, 1011199, 1155656, 1430548, 2022398, 2861096, 4044796, 8089592, 20444467, 40888934, 81777868, 143111269, 163555736, 286222538, 388444873, 572445076, 776889746, 1144890152, 1553779492, 2719114111, 3107558984, 5438228222, 10876456444, 21752912888]

約数ペア:

[(1, 21752912888), (2, 10876456444), (4, 5438228222), (7, 3107558984), (8, 2719114111), (14, 1553779492), (19, 1144890152), (28, 776889746), (38, 572445076), (56, 388444873), (76, 286222538), (133, 163555736), (152, 143111269), (266, 81777868), (532, 40888934), (1064, 20444467), (2689, 8089592), (5378, 4044796), (7603, 2861096), (10756, 2022398), (15206, 1430548), (18823, 1155656), (21512, 1011199), (30412, 715274), (37646, 577828), (51091, 425768), (53221, 408728), (60824, 357637), (75292, 288914), (102182, 212884), (106442, 204364), (144457, 150584)]