21617424

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 64763712

約数和(自身を除く): 43146288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 61, 69, 72, 92, 107, 122, 138, 144, 183, 184, 207, 214, 244, 276, 321, 366, 368, 414, 428, 488, 549, 552, 642, 732, 828, 856, 963, 976, 1098, 1104, 1284, 1403, 1464, 1656, 1712, 1926, 2196, 2461, 2568, 2806, 2928, 3312, 3852, 4209, 4392, 4922, 5136, 5612, 6527, 7383, 7704, 8418, 8784, 9844, 11224, 12627, 13054, 14766, 15408, 16836, 19581, 19688, 22149, 22448, 25254, 26108, 29532, 33672, 39162, 39376, 44298, 50508, 52216, 58743, 59064, 67344, 78324, 88596, 101016, 104432, 117486, 118128, 150121, 156648, 177192, 202032, 234972, 300242, 313296, 354384, 450363, 469944, 600484, 900726, 939888, 1200968, 1351089, 1801452, 2401936, 2702178, 3602904, 5404356, 7205808, 10808712, 21617424]

約数ペア:

[(1, 21617424), (2, 10808712), (3, 7205808), (4, 5404356), (6, 3602904), (8, 2702178), (9, 2401936), (12, 1801452), (16, 1351089), (18, 1200968), (23, 939888), (24, 900726), (36, 600484), (46, 469944), (48, 450363), (61, 354384), (69, 313296), (72, 300242), (92, 234972), (107, 202032), (122, 177192), (138, 156648), (144, 150121), (183, 118128), (184, 117486), (207, 104432), (214, 101016), (244, 88596), (276, 78324), (321, 67344), (366, 59064), (368, 58743), (414, 52216), (428, 50508), (488, 44298), (549, 39376), (552, 39162), (642, 33672), (732, 29532), (828, 26108), (856, 25254), (963, 22448), (976, 22149), (1098, 19688), (1104, 19581), (1284, 16836), (1403, 15408), (1464, 14766), (1656, 13054), (1712, 12627), (1926, 11224), (2196, 9844), (2461, 8784), (2568, 8418), (2806, 7704), (2928, 7383), (3312, 6527), (3852, 5612), (4209, 5136), (4392, 4922)]