21536703628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1\times {\mathrm{7793}}^1$

素因数の和:8502

約数の個数: 48

約数和(自身を含む): 41575814784

約数和(自身を除く): 20039111156

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 587, 1174, 1177, 2348, 2354, 4708, 6457, 7793, 12914, 15586, 25828, 31172, 62809, 85723, 125618, 171446, 251236, 342892, 690899, 833851, 1381798, 1667702, 2763596, 3335404, 4574491, 9148982, 9172361, 18297964, 18344722, 36689444, 50319401, 100638802, 201277604, 489470537, 978941074, 1957882148, 5384175907, 10768351814, 21536703628]

約数ペア:

[(1, 21536703628), (2, 10768351814), (4, 5384175907), (11, 1957882148), (22, 978941074), (44, 489470537), (107, 201277604), (214, 100638802), (428, 50319401), (587, 36689444), (1174, 18344722), (1177, 18297964), (2348, 9172361), (2354, 9148982), (4708, 4574491), (6457, 3335404), (7793, 2763596), (12914, 1667702), (15586, 1381798), (25828, 833851), (31172, 690899), (62809, 342892), (85723, 251236), (125618, 171446)]