21056616

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 66830400

約数和(自身を除く): 45773784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 56, 63, 72, 82, 84, 123, 126, 164, 168, 246, 252, 287, 328, 369, 492, 504, 574, 738, 861, 984, 1019, 1148, 1476, 1722, 2038, 2296, 2583, 2952, 3057, 3444, 4076, 5166, 6114, 6888, 7133, 8152, 9171, 10332, 12228, 14266, 18342, 20664, 21399, 24456, 28532, 36684, 41779, 42798, 57064, 64197, 73368, 83558, 85596, 125337, 128394, 167116, 171192, 250674, 256788, 292453, 334232, 376011, 501348, 513576, 584906, 752022, 877359, 1002696, 1169812, 1504044, 1754718, 2339624, 2632077, 3008088, 3509436, 5264154, 7018872, 10528308, 21056616]

約数ペア:

[(1, 21056616), (2, 10528308), (3, 7018872), (4, 5264154), (6, 3509436), (7, 3008088), (8, 2632077), (9, 2339624), (12, 1754718), (14, 1504044), (18, 1169812), (21, 1002696), (24, 877359), (28, 752022), (36, 584906), (41, 513576), (42, 501348), (56, 376011), (63, 334232), (72, 292453), (82, 256788), (84, 250674), (123, 171192), (126, 167116), (164, 128394), (168, 125337), (246, 85596), (252, 83558), (287, 73368), (328, 64197), (369, 57064), (492, 42798), (504, 41779), (574, 36684), (738, 28532), (861, 24456), (984, 21399), (1019, 20664), (1148, 18342), (1476, 14266), (1722, 12228), (2038, 10332), (2296, 9171), (2583, 8152), (2952, 7133), (3057, 6888), (3444, 6114), (4076, 5166)]