21367060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 54641664

約数和(自身を除く): 33274604

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 241, 260, 286, 310, 341, 403, 482, 572, 620, 682, 715, 806, 964, 1205, 1364, 1430, 1612, 1705, 2015, 2410, 2651, 2860, 3133, 3410, 4030, 4433, 4820, 5302, 6266, 6820, 7471, 8060, 8866, 10604, 12532, 13255, 14942, 15665, 17732, 22165, 26510, 29884, 31330, 34463, 37355, 44330, 53020, 62660, 68926, 74710, 82181, 88660, 97123, 137852, 149420, 164362, 172315, 194246, 328724, 344630, 388492, 410905, 485615, 689260, 821810, 971230, 1068353, 1643620, 1942460, 2136706, 4273412, 5341765, 10683530, 21367060]

約数ペア:

[(1, 21367060), (2, 10683530), (4, 5341765), (5, 4273412), (10, 2136706), (11, 1942460), (13, 1643620), (20, 1068353), (22, 971230), (26, 821810), (31, 689260), (44, 485615), (52, 410905), (55, 388492), (62, 344630), (65, 328724), (110, 194246), (124, 172315), (130, 164362), (143, 149420), (155, 137852), (220, 97123), (241, 88660), (260, 82181), (286, 74710), (310, 68926), (341, 62660), (403, 53020), (482, 44330), (572, 37355), (620, 34463), (682, 31330), (715, 29884), (806, 26510), (964, 22165), (1205, 17732), (1364, 15665), (1430, 14942), (1612, 13255), (1705, 12532), (2015, 10604), (2410, 8866), (2651, 8060), (2860, 7471), (3133, 6820), (3410, 6266), (4030, 5302), (4433, 4820)]