21733280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3313}}^1$

素因数の和:3369

約数の個数: 48

約数和(自身を含む): 52613064

約数和(自身を除く): 30879784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 3313, 6560, 6626, 13252, 16565, 26504, 33130, 53008, 66260, 106016, 132520, 135833, 265040, 271666, 530080, 543332, 679165, 1086664, 1358330, 2173328, 2716660, 4346656, 5433320, 10866640, 21733280]

約数ペア:

[(1, 21733280), (2, 10866640), (4, 5433320), (5, 4346656), (8, 2716660), (10, 2173328), (16, 1358330), (20, 1086664), (32, 679165), (40, 543332), (41, 530080), (80, 271666), (82, 265040), (160, 135833), (164, 132520), (205, 106016), (328, 66260), (410, 53008), (656, 33130), (820, 26504), (1312, 16565), (1640, 13252), (3280, 6626), (3313, 6560)]