21055632

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:888

約数の個数: 80

約数和(自身を含む): 60079488

約数和(自身を除く): 39023856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 656, 823, 984, 1066, 1599, 1646, 1968, 2132, 2469, 3198, 3292, 4264, 4938, 6396, 6584, 8528, 9876, 10699, 12792, 13168, 19752, 21398, 25584, 32097, 33743, 39504, 42796, 64194, 67486, 85592, 101229, 128388, 134972, 171184, 202458, 256776, 269944, 404916, 438659, 513552, 539888, 809832, 877318, 1315977, 1619664, 1754636, 2631954, 3509272, 5263908, 7018544, 10527816, 21055632]

約数ペア:

[(1, 21055632), (2, 10527816), (3, 7018544), (4, 5263908), (6, 3509272), (8, 2631954), (12, 1754636), (13, 1619664), (16, 1315977), (24, 877318), (26, 809832), (39, 539888), (41, 513552), (48, 438659), (52, 404916), (78, 269944), (82, 256776), (104, 202458), (123, 171184), (156, 134972), (164, 128388), (208, 101229), (246, 85592), (312, 67486), (328, 64194), (492, 42796), (533, 39504), (624, 33743), (656, 32097), (823, 25584), (984, 21398), (1066, 19752), (1599, 13168), (1646, 12792), (1968, 10699), (2132, 9876), (2469, 8528), (3198, 6584), (3292, 6396), (4264, 4938)]