21058650

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 61156800

約数和(自身を除く): 40098150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 135, 150, 171, 190, 225, 270, 285, 342, 450, 475, 513, 570, 675, 821, 855, 950, 1026, 1350, 1425, 1642, 1710, 2463, 2565, 2850, 4105, 4275, 4926, 5130, 7389, 8210, 8550, 12315, 12825, 14778, 15599, 20525, 22167, 24630, 25650, 31198, 36945, 41050, 44334, 46797, 61575, 73890, 77995, 93594, 110835, 123150, 140391, 155990, 184725, 221670, 233985, 280782, 369450, 389975, 421173, 467970, 554175, 701955, 779950, 842346, 1108350, 1169925, 1403910, 2105865, 2339850, 3509775, 4211730, 7019550, 10529325, 21058650]

約数ペア:

[(1, 21058650), (2, 10529325), (3, 7019550), (5, 4211730), (6, 3509775), (9, 2339850), (10, 2105865), (15, 1403910), (18, 1169925), (19, 1108350), (25, 842346), (27, 779950), (30, 701955), (38, 554175), (45, 467970), (50, 421173), (54, 389975), (57, 369450), (75, 280782), (90, 233985), (95, 221670), (114, 184725), (135, 155990), (150, 140391), (171, 123150), (190, 110835), (225, 93594), (270, 77995), (285, 73890), (342, 61575), (450, 46797), (475, 44334), (513, 41050), (570, 36945), (675, 31198), (821, 25650), (855, 24630), (950, 22167), (1026, 20525), (1350, 15599), (1425, 14778), (1642, 12825), (1710, 12315), (2463, 8550), (2565, 8210), (2850, 7389), (4105, 5130), (4275, 4926)]