21985884

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 38977956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 53, 54, 69, 92, 106, 108, 138, 159, 167, 207, 212, 276, 318, 334, 414, 477, 501, 621, 636, 668, 828, 954, 1002, 1219, 1242, 1431, 1503, 1908, 2004, 2438, 2484, 2862, 3006, 3657, 3841, 4509, 4876, 5724, 6012, 7314, 7682, 8851, 9018, 10971, 11523, 14628, 15364, 17702, 18036, 21942, 23046, 26553, 32913, 34569, 35404, 43884, 46092, 53106, 65826, 69138, 79659, 103707, 106212, 131652, 138276, 159318, 203573, 207414, 238977, 318636, 407146, 414828, 477954, 610719, 814292, 955908, 1221438, 1832157, 2442876, 3664314, 5496471, 7328628, 10992942, 21985884]

約数ペア:

[(1, 21985884), (2, 10992942), (3, 7328628), (4, 5496471), (6, 3664314), (9, 2442876), (12, 1832157), (18, 1221438), (23, 955908), (27, 814292), (36, 610719), (46, 477954), (53, 414828), (54, 407146), (69, 318636), (92, 238977), (106, 207414), (108, 203573), (138, 159318), (159, 138276), (167, 131652), (207, 106212), (212, 103707), (276, 79659), (318, 69138), (334, 65826), (414, 53106), (477, 46092), (501, 43884), (621, 35404), (636, 34569), (668, 32913), (828, 26553), (954, 23046), (1002, 21942), (1219, 18036), (1242, 17702), (1431, 15364), (1503, 14628), (1908, 11523), (2004, 10971), (2438, 9018), (2484, 8851), (2862, 7682), (3006, 7314), (3657, 6012), (3841, 5724), (4509, 4876)]