21797070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 54665280

約数和(自身を除く): 32868210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 73, 74, 111, 146, 185, 219, 222, 269, 365, 370, 438, 538, 555, 730, 807, 1095, 1110, 1345, 1614, 2190, 2690, 2701, 4035, 5402, 8070, 8103, 9953, 13505, 16206, 19637, 19906, 27010, 29859, 39274, 40515, 49765, 58911, 59718, 81030, 98185, 99530, 117822, 149295, 196370, 294555, 298590, 589110, 726569, 1453138, 2179707, 3632845, 4359414, 7265690, 10898535, 21797070]

約数ペア:

[(1, 21797070), (2, 10898535), (3, 7265690), (5, 4359414), (6, 3632845), (10, 2179707), (15, 1453138), (30, 726569), (37, 589110), (73, 298590), (74, 294555), (111, 196370), (146, 149295), (185, 117822), (219, 99530), (222, 98185), (269, 81030), (365, 59718), (370, 58911), (438, 49765), (538, 40515), (555, 39274), (730, 29859), (807, 27010), (1095, 19906), (1110, 19637), (1345, 16206), (1614, 13505), (2190, 9953), (2690, 8103), (2701, 8070), (4035, 5402)]