21839532

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 61334280

約数和(自身を除く): 39494748

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 89, 121, 132, 143, 156, 169, 178, 242, 267, 286, 338, 356, 363, 429, 484, 507, 534, 572, 676, 726, 858, 979, 1014, 1068, 1157, 1452, 1573, 1716, 1859, 1958, 2028, 2314, 2937, 3146, 3471, 3718, 3916, 4628, 4719, 5577, 5874, 6292, 6942, 7436, 9438, 10769, 11154, 11748, 12727, 13884, 15041, 18876, 20449, 21538, 22308, 25454, 30082, 32307, 38181, 40898, 43076, 45123, 50908, 60164, 61347, 64614, 76362, 81796, 90246, 122694, 129228, 139997, 152724, 165451, 180492, 245388, 279994, 330902, 419991, 496353, 559988, 661804, 839982, 992706, 1679964, 1819961, 1985412, 3639922, 5459883, 7279844, 10919766, 21839532]

約数ペア:

[(1, 21839532), (2, 10919766), (3, 7279844), (4, 5459883), (6, 3639922), (11, 1985412), (12, 1819961), (13, 1679964), (22, 992706), (26, 839982), (33, 661804), (39, 559988), (44, 496353), (52, 419991), (66, 330902), (78, 279994), (89, 245388), (121, 180492), (132, 165451), (143, 152724), (156, 139997), (169, 129228), (178, 122694), (242, 90246), (267, 81796), (286, 76362), (338, 64614), (356, 61347), (363, 60164), (429, 50908), (484, 45123), (507, 43076), (534, 40898), (572, 38181), (676, 32307), (726, 30082), (858, 25454), (979, 22308), (1014, 21538), (1068, 20449), (1157, 18876), (1452, 15041), (1573, 13884), (1716, 12727), (1859, 11748), (1958, 11154), (2028, 10769), (2314, 9438), (2937, 7436), (3146, 6942), (3471, 6292), (3718, 5874), (3916, 5577), (4628, 4719)]