21865662

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1942

約数の個数: 72

約数和(自身を含む): 59380776

約数和(自身を除く): 37515114

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1907, 1911, 3814, 3822, 5721, 5733, 11442, 11466, 13349, 17163, 24791, 26698, 34326, 40047, 49582, 74373, 80094, 93443, 120141, 148746, 173537, 186886, 223119, 240282, 280329, 347074, 446238, 520611, 560658, 840987, 1041222, 1214759, 1561833, 1681974, 2429518, 3123666, 3644277, 7288554, 10932831, 21865662]

約数ペア:

[(1, 21865662), (2, 10932831), (3, 7288554), (6, 3644277), (7, 3123666), (9, 2429518), (13, 1681974), (14, 1561833), (18, 1214759), (21, 1041222), (26, 840987), (39, 560658), (42, 520611), (49, 446238), (63, 347074), (78, 280329), (91, 240282), (98, 223119), (117, 186886), (126, 173537), (147, 148746), (182, 120141), (234, 93443), (273, 80094), (294, 74373), (441, 49582), (546, 40047), (637, 34326), (819, 26698), (882, 24791), (1274, 17163), (1638, 13349), (1907, 11466), (1911, 11442), (3814, 5733), (3822, 5721)]