21670570558

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{3851}}^1$

素因数の和:4518

約数の個数: 64

約数和(自身を含む): 40898995200

約数和(自身を除く): 19228424642

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 631, 637, 686, 1262, 1274, 3851, 4417, 4459, 7702, 8203, 8834, 8918, 16406, 26957, 30919, 50063, 53914, 57421, 61838, 100126, 114842, 188699, 216433, 350441, 377398, 401947, 432866, 700882, 803894, 1320893, 2429981, 2453087, 2641786, 2813629, 4859962, 4906174, 5627258, 17009867, 17171609, 31589753, 34019734, 34343218, 63179506, 119069069, 221128271, 238138138, 442256542, 833483483, 1547897897, 1666966966, 3095795794, 10835285279, 21670570558]

約数ペア:

[(1, 21670570558), (2, 10835285279), (7, 3095795794), (13, 1666966966), (14, 1547897897), (26, 833483483), (49, 442256542), (91, 238138138), (98, 221128271), (182, 119069069), (343, 63179506), (631, 34343218), (637, 34019734), (686, 31589753), (1262, 17171609), (1274, 17009867), (3851, 5627258), (4417, 4906174), (4459, 4859962), (7702, 2813629), (8203, 2641786), (8834, 2453087), (8918, 2429981), (16406, 1320893), (26957, 803894), (30919, 700882), (50063, 432866), (53914, 401947), (57421, 377398), (61838, 350441), (100126, 216433), (114842, 188699)]