21973462828

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{2003}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 39366383616

約数和(自身を除く): 17392920788

約数列:

[1, 2, 4, 83, 166, 173, 191, 332, 346, 382, 692, 764, 2003, 4006, 8012, 14359, 15853, 28718, 31706, 33043, 57436, 63412, 66086, 132172, 166249, 332498, 346519, 382573, 664996, 693038, 765146, 1386076, 1530292, 2742569, 5485138, 10970276, 28761077, 31753559, 57522154, 63507118, 66185129, 115044308, 127014236, 132370258, 264740516, 5493365707, 10986731414, 21973462828]

約数ペア:

[(1, 21973462828), (2, 10986731414), (4, 5493365707), (83, 264740516), (166, 132370258), (173, 127014236), (191, 115044308), (332, 66185129), (346, 63507118), (382, 57522154), (692, 31753559), (764, 28761077), (2003, 10970276), (4006, 5485138), (8012, 2742569), (14359, 1530292), (15853, 1386076), (28718, 765146), (31706, 693038), (33043, 664996), (57436, 382573), (63412, 346519), (66086, 332498), (132172, 166249)]