21506472

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 192

約数和(自身を含む): 69713280

約数和(自身を除く): 48206808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 27, 36, 37, 39, 46, 52, 54, 69, 72, 74, 78, 81, 92, 104, 108, 111, 117, 138, 148, 156, 162, 184, 207, 216, 222, 234, 243, 276, 296, 299, 312, 324, 333, 351, 414, 444, 468, 481, 486, 552, 598, 621, 648, 666, 702, 828, 851, 888, 897, 936, 962, 972, 999, 1053, 1196, 1242, 1332, 1404, 1443, 1656, 1702, 1794, 1863, 1924, 1944, 1998, 2106, 2392, 2484, 2553, 2664, 2691, 2808, 2886, 2997, 3159, 3404, 3588, 3726, 3848, 3996, 4212, 4329, 4968, 5106, 5382, 5589, 5772, 5994, 6318, 6808, 7176, 7452, 7659, 7992, 8073, 8424, 8658, 8991, 10212, 10764, 11063, 11178, 11544, 11988, 12636, 12987, 14904, 15318, 16146, 17316, 17982, 20424, 21528, 22126, 22356, 22977, 23976, 24219, 25272, 25974, 30636, 32292, 33189, 34632, 35964, 38961, 44252, 44712, 45954, 48438, 51948, 61272, 64584, 66378, 68931, 71928, 72657, 77922, 88504, 91908, 96876, 99567, 103896, 116883, 132756, 137862, 145314, 155844, 183816, 193752, 199134, 206793, 233766, 265512, 275724, 290628, 298701, 311688, 398268, 413586, 467532, 551448, 581256, 597402, 796536, 827172, 896103, 935064, 1194804, 1654344, 1792206, 2389608, 2688309, 3584412, 5376618, 7168824, 10753236, 21506472]

約数ペア:

[(1, 21506472), (2, 10753236), (3, 7168824), (4, 5376618), (6, 3584412), (8, 2688309), (9, 2389608), (12, 1792206), (13, 1654344), (18, 1194804), (23, 935064), (24, 896103), (26, 827172), (27, 796536), (36, 597402), (37, 581256), (39, 551448), (46, 467532), (52, 413586), (54, 398268), (69, 311688), (72, 298701), (74, 290628), (78, 275724), (81, 265512), (92, 233766), (104, 206793), (108, 199134), (111, 193752), (117, 183816), (138, 155844), (148, 145314), (156, 137862), (162, 132756), (184, 116883), (207, 103896), (216, 99567), (222, 96876), (234, 91908), (243, 88504), (276, 77922), (296, 72657), (299, 71928), (312, 68931), (324, 66378), (333, 64584), (351, 61272), (414, 51948), (444, 48438), (468, 45954), (481, 44712), (486, 44252), (552, 38961), (598, 35964), (621, 34632), (648, 33189), (666, 32292), (702, 30636), (828, 25974), (851, 25272), (888, 24219), (897, 23976), (936, 22977), (962, 22356), (972, 22126), (999, 21528), (1053, 20424), (1196, 17982), (1242, 17316), (1332, 16146), (1404, 15318), (1443, 14904), (1656, 12987), (1702, 12636), (1794, 11988), (1863, 11544), (1924, 11178), (1944, 11063), (1998, 10764), (2106, 10212), (2392, 8991), (2484, 8658), (2553, 8424), (2664, 8073), (2691, 7992), (2808, 7659), (2886, 7452), (2997, 7176), (3159, 6808), (3404, 6318), (3588, 5994), (3726, 5772), (3848, 5589), (3996, 5382), (4212, 5106), (4329, 4968)]