21597870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5413}}^1$

素因数の和:5449

約数の個数: 64

約数和(自身を含む): 62369280

約数和(自身を除く): 40771410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5413, 10826, 16239, 27065, 32478, 37891, 54130, 75782, 81195, 102847, 113673, 162390, 189455, 205694, 227346, 308541, 378910, 514235, 568365, 617082, 719929, 1028470, 1136730, 1439858, 1542705, 2159787, 3085410, 3599645, 4319574, 7199290, 10798935, 21597870]

約数ペア:

[(1, 21597870), (2, 10798935), (3, 7199290), (5, 4319574), (6, 3599645), (7, 3085410), (10, 2159787), (14, 1542705), (15, 1439858), (19, 1136730), (21, 1028470), (30, 719929), (35, 617082), (38, 568365), (42, 514235), (57, 378910), (70, 308541), (95, 227346), (105, 205694), (114, 189455), (133, 162390), (190, 113673), (210, 102847), (266, 81195), (285, 75782), (399, 54130), (570, 37891), (665, 32478), (798, 27065), (1330, 16239), (1995, 10826), (3990, 5413)]