21640416

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32203}}^1$

素因数の和:32223

約数の個数: 48

約数和(自身を含む): 64923264

約数和(自身を除く): 43282848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32203, 64406, 96609, 128812, 193218, 225421, 257624, 386436, 450842, 515248, 676263, 772872, 901684, 1030496, 1352526, 1545744, 1803368, 2705052, 3091488, 3606736, 5410104, 7213472, 10820208, 21640416]

約数ペア:

[(1, 21640416), (2, 10820208), (3, 7213472), (4, 5410104), (6, 3606736), (7, 3091488), (8, 2705052), (12, 1803368), (14, 1545744), (16, 1352526), (21, 1030496), (24, 901684), (28, 772872), (32, 676263), (42, 515248), (48, 450842), (56, 386436), (84, 257624), (96, 225421), (112, 193218), (168, 128812), (224, 96609), (336, 64406), (672, 32203)]