21151500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41747700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 75, 100, 118, 125, 150, 177, 236, 239, 250, 295, 300, 354, 375, 478, 500, 590, 708, 717, 750, 885, 956, 1180, 1195, 1434, 1475, 1500, 1770, 2390, 2868, 2950, 3540, 3585, 4425, 4780, 5900, 5975, 7170, 7375, 8850, 11950, 14101, 14340, 14750, 17700, 17925, 22125, 23900, 28202, 29500, 29875, 35850, 42303, 44250, 56404, 59750, 70505, 71700, 84606, 88500, 89625, 119500, 141010, 169212, 179250, 211515, 282020, 352525, 358500, 423030, 705050, 846060, 1057575, 1410100, 1762625, 2115150, 3525250, 4230300, 5287875, 7050500, 10575750, 21151500]

約数ペア:

[(1, 21151500), (2, 10575750), (3, 7050500), (4, 5287875), (5, 4230300), (6, 3525250), (10, 2115150), (12, 1762625), (15, 1410100), (20, 1057575), (25, 846060), (30, 705050), (50, 423030), (59, 358500), (60, 352525), (75, 282020), (100, 211515), (118, 179250), (125, 169212), (150, 141010), (177, 119500), (236, 89625), (239, 88500), (250, 84606), (295, 71700), (300, 70505), (354, 59750), (375, 56404), (478, 44250), (500, 42303), (590, 35850), (708, 29875), (717, 29500), (750, 28202), (885, 23900), (956, 22125), (1180, 17925), (1195, 17700), (1434, 14750), (1475, 14340), (1500, 14101), (1770, 11950), (2390, 8850), (2868, 7375), (2950, 7170), (3540, 5975), (3585, 5900), (4425, 4780)]