21355368

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 34891032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 61, 87, 116, 122, 174, 183, 232, 244, 348, 366, 488, 503, 696, 732, 1006, 1464, 1509, 1769, 2012, 3018, 3538, 4024, 5307, 6036, 7076, 10614, 12072, 14152, 14587, 21228, 29174, 30683, 42456, 43761, 58348, 61366, 87522, 92049, 116696, 122732, 175044, 184098, 245464, 350088, 368196, 736392, 889807, 1779614, 2669421, 3559228, 5338842, 7118456, 10677684, 21355368]

約数ペア:

[(1, 21355368), (2, 10677684), (3, 7118456), (4, 5338842), (6, 3559228), (8, 2669421), (12, 1779614), (24, 889807), (29, 736392), (58, 368196), (61, 350088), (87, 245464), (116, 184098), (122, 175044), (174, 122732), (183, 116696), (232, 92049), (244, 87522), (348, 61366), (366, 58348), (488, 43761), (503, 42456), (696, 30683), (732, 29174), (1006, 21228), (1464, 14587), (1509, 14152), (1769, 12072), (2012, 10614), (3018, 7076), (3538, 6036), (4024, 5307)]