21717570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5443}}^1$

素因数の和:5479

約数の個数: 64

約数和(自身を含む): 62714880

約数和(自身を除く): 40997310

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, 5443, 10886, 16329, 27215, 32658, 38101, 54430, 76202, 81645, 103417, 114303, 163290, 190505, 206834, 228606, 310251, 381010, 517085, 571515, 620502, 723919, 1034170, 1143030, 1447838, 1551255, 2171757, 3102510, 3619595, 4343514, 7239190, 10858785, 21717570]

約数ペア:

[(1, 21717570), (2, 10858785), (3, 7239190), (5, 4343514), (6, 3619595), (7, 3102510), (10, 2171757), (14, 1551255), (15, 1447838), (19, 1143030), (21, 1034170), (30, 723919), (35, 620502), (38, 571515), (42, 517085), (57, 381010), (70, 310251), (95, 228606), (105, 206834), (114, 190505), (133, 163290), (190, 114303), (210, 103417), (266, 81645), (285, 76202), (399, 54430), (570, 38101), (665, 32658), (798, 27215), (1330, 16329), (1995, 10886), (3990, 5443)]