21001702016

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{33851}}^1$

素因数の和:34033

約数の個数: 64

約数和(自身を含む): 43299416160

約数和(自身を除く): 22297714144

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 131, 148, 262, 296, 524, 592, 1048, 1184, 2096, 2368, 4192, 4736, 4847, 8384, 9694, 16768, 19388, 33851, 38776, 67702, 77552, 135404, 155104, 270808, 310208, 541616, 620416, 1083232, 1252487, 2166464, 2504974, 4332928, 4434481, 5009948, 8868962, 10019896, 17737924, 20039792, 35475848, 40079584, 70951696, 80159168, 141903392, 160318336, 164075797, 283806784, 328151594, 567613568, 656303188, 1312606376, 2625212752, 5250425504, 10500851008, 21001702016]

約数ペア:

[(1, 21001702016), (2, 10500851008), (4, 5250425504), (8, 2625212752), (16, 1312606376), (32, 656303188), (37, 567613568), (64, 328151594), (74, 283806784), (128, 164075797), (131, 160318336), (148, 141903392), (262, 80159168), (296, 70951696), (524, 40079584), (592, 35475848), (1048, 20039792), (1184, 17737924), (2096, 10019896), (2368, 8868962), (4192, 5009948), (4736, 4434481), (4847, 4332928), (8384, 2504974), (9694, 2166464), (16768, 1252487), (19388, 1083232), (33851, 620416), (38776, 541616), (67702, 310208), (77552, 270808), (135404, 155104)]