21496644

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 61246080

約数和(自身を除く): 39749436

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 78, 108, 117, 122, 156, 183, 234, 244, 251, 351, 366, 468, 502, 549, 702, 732, 753, 793, 1004, 1098, 1404, 1506, 1586, 1647, 2196, 2259, 2379, 3012, 3172, 3263, 3294, 4518, 4758, 6526, 6588, 6777, 7137, 9036, 9516, 9789, 13052, 13554, 14274, 15311, 19578, 21411, 27108, 28548, 29367, 30622, 39156, 42822, 45933, 58734, 61244, 85644, 88101, 91866, 117468, 137799, 176202, 183732, 199043, 275598, 352404, 398086, 413397, 551196, 597129, 796172, 826794, 1194258, 1653588, 1791387, 2388516, 3582774, 5374161, 7165548, 10748322, 21496644]

約数ペア:

[(1, 21496644), (2, 10748322), (3, 7165548), (4, 5374161), (6, 3582774), (9, 2388516), (12, 1791387), (13, 1653588), (18, 1194258), (26, 826794), (27, 796172), (36, 597129), (39, 551196), (52, 413397), (54, 398086), (61, 352404), (78, 275598), (108, 199043), (117, 183732), (122, 176202), (156, 137799), (183, 117468), (234, 91866), (244, 88101), (251, 85644), (351, 61244), (366, 58734), (468, 45933), (502, 42822), (549, 39156), (702, 30622), (732, 29367), (753, 28548), (793, 27108), (1004, 21411), (1098, 19578), (1404, 15311), (1506, 14274), (1586, 13554), (1647, 13052), (2196, 9789), (2259, 9516), (2379, 9036), (3012, 7137), (3172, 6777), (3263, 6588), (3294, 6526), (4518, 4758)]