21546330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 56343168

約数和(自身を除く): 34796838

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 547, 606, 1010, 1094, 1313, 1515, 1641, 2626, 2735, 3030, 3282, 3939, 5470, 6565, 7111, 7878, 8205, 13130, 14222, 16410, 19695, 21333, 35555, 39390, 42666, 55247, 71110, 106665, 110494, 165741, 213330, 276235, 331482, 552470, 718211, 828705, 1436422, 1657410, 2154633, 3591055, 4309266, 7182110, 10773165, 21546330]

約数ペア:

[(1, 21546330), (2, 10773165), (3, 7182110), (5, 4309266), (6, 3591055), (10, 2154633), (13, 1657410), (15, 1436422), (26, 828705), (30, 718211), (39, 552470), (65, 331482), (78, 276235), (101, 213330), (130, 165741), (195, 110494), (202, 106665), (303, 71110), (390, 55247), (505, 42666), (547, 39390), (606, 35555), (1010, 21333), (1094, 19695), (1313, 16410), (1515, 14222), (1641, 13130), (2626, 8205), (2735, 7878), (3030, 7111), (3282, 6565), (3939, 5470)]