21479700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 70995456

約数和(自身を除く): 49515756

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 25, 30, 33, 44, 46, 50, 55, 60, 66, 69, 75, 92, 100, 110, 115, 132, 138, 150, 165, 220, 230, 253, 275, 276, 283, 300, 330, 345, 460, 506, 550, 566, 575, 660, 690, 759, 825, 849, 1012, 1100, 1132, 1150, 1265, 1380, 1415, 1518, 1650, 1698, 1725, 2300, 2530, 2830, 3036, 3113, 3300, 3396, 3450, 3795, 4245, 5060, 5660, 6226, 6325, 6509, 6900, 7075, 7590, 8490, 9339, 12452, 12650, 13018, 14150, 15180, 15565, 16980, 18678, 18975, 19527, 21225, 25300, 26036, 28300, 31130, 32545, 37356, 37950, 39054, 42450, 46695, 62260, 65090, 71599, 75900, 77825, 78108, 84900, 93390, 97635, 130180, 143198, 155650, 162725, 186780, 195270, 214797, 233475, 286396, 311300, 325450, 357995, 390540, 429594, 466950, 488175, 650900, 715990, 859188, 933900, 976350, 1073985, 1431980, 1789975, 1952700, 2147970, 3579950, 4295940, 5369925, 7159900, 10739850, 21479700]

約数ペア:

[(1, 21479700), (2, 10739850), (3, 7159900), (4, 5369925), (5, 4295940), (6, 3579950), (10, 2147970), (11, 1952700), (12, 1789975), (15, 1431980), (20, 1073985), (22, 976350), (23, 933900), (25, 859188), (30, 715990), (33, 650900), (44, 488175), (46, 466950), (50, 429594), (55, 390540), (60, 357995), (66, 325450), (69, 311300), (75, 286396), (92, 233475), (100, 214797), (110, 195270), (115, 186780), (132, 162725), (138, 155650), (150, 143198), (165, 130180), (220, 97635), (230, 93390), (253, 84900), (275, 78108), (276, 77825), (283, 75900), (300, 71599), (330, 65090), (345, 62260), (460, 46695), (506, 42450), (550, 39054), (566, 37950), (575, 37356), (660, 32545), (690, 31130), (759, 28300), (825, 26036), (849, 25300), (1012, 21225), (1100, 19527), (1132, 18975), (1150, 18678), (1265, 16980), (1380, 15565), (1415, 15180), (1518, 14150), (1650, 13018), (1698, 12650), (1725, 12452), (2300, 9339), (2530, 8490), (2830, 7590), (3036, 7075), (3113, 6900), (3300, 6509), (3396, 6325), (3450, 6226), (3795, 5660), (4245, 5060)]