21291210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12451}}^1$

素因数の和:12483

約数の個数: 48

約数和(自身を含む): 58275360

約数和(自身を除く): 36984150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12451, 24902, 37353, 62255, 74706, 112059, 124510, 186765, 224118, 236569, 373530, 473138, 560295, 709707, 1120590, 1182845, 1419414, 2129121, 2365690, 3548535, 4258242, 7097070, 10645605, 21291210]

約数ペア:

[(1, 21291210), (2, 10645605), (3, 7097070), (5, 4258242), (6, 3548535), (9, 2365690), (10, 2129121), (15, 1419414), (18, 1182845), (19, 1120590), (30, 709707), (38, 560295), (45, 473138), (57, 373530), (90, 236569), (95, 224118), (114, 186765), (171, 124510), (190, 112059), (285, 74706), (342, 62255), (570, 37353), (855, 24902), (1710, 12451)]