21266910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33757}}^1$

素因数の和:33777

約数の個数: 48

約数和(自身を含む): 63194976

約数和(自身を除く): 41928066

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33757, 67514, 101271, 168785, 202542, 236299, 303813, 337570, 472598, 506355, 607626, 708897, 1012710, 1181495, 1417794, 1519065, 2126691, 2362990, 3038130, 3544485, 4253382, 7088970, 10633455, 21266910]

約数ペア:

[(1, 21266910), (2, 10633455), (3, 7088970), (5, 4253382), (6, 3544485), (7, 3038130), (9, 2362990), (10, 2126691), (14, 1519065), (15, 1417794), (18, 1181495), (21, 1012710), (30, 708897), (35, 607626), (42, 506355), (45, 472598), (63, 337570), (70, 303813), (90, 236299), (105, 202542), (126, 168785), (210, 101271), (315, 67514), (630, 33757)]