21030153903

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{3461}}^1$

素因数の和:4021

約数の個数: 64

約数和(自身を含む): 34896960000

約数和(自身を除く): 13866806097

約数列:

[1, 3, 9, 11, 27, 33, 41, 99, 123, 297, 369, 451, 499, 1107, 1353, 1497, 3461, 4059, 4491, 5489, 10383, 12177, 13473, 16467, 20459, 31149, 38071, 49401, 61377, 93447, 114213, 141901, 148203, 184131, 225049, 342639, 425703, 552393, 675147, 1027917, 1277109, 1560911, 1727039, 2025441, 3831327, 4682733, 5181117, 6076323, 14048199, 15543351, 18997429, 42144597, 46630053, 56992287, 70808599, 170976861, 212425797, 512930583, 637277391, 778894589, 1911832173, 2336683767, 7010051301, 21030153903]

約数ペア:

[(1, 21030153903), (3, 7010051301), (9, 2336683767), (11, 1911832173), (27, 778894589), (33, 637277391), (41, 512930583), (99, 212425797), (123, 170976861), (297, 70808599), (369, 56992287), (451, 46630053), (499, 42144597), (1107, 18997429), (1353, 15543351), (1497, 14048199), (3461, 6076323), (4059, 5181117), (4491, 4682733), (5489, 3831327), (10383, 2025441), (12177, 1727039), (13473, 1560911), (16467, 1277109), (20459, 1027917), (31149, 675147), (38071, 552393), (49401, 425703), (61377, 342639), (93447, 225049), (114213, 184131), (141901, 148203)]