21597000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 70536960

約数和(自身を除く): 48939960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 125, 138, 150, 184, 200, 230, 250, 276, 300, 313, 345, 375, 460, 500, 552, 575, 600, 626, 690, 750, 920, 939, 1000, 1150, 1252, 1380, 1500, 1565, 1725, 1878, 2300, 2504, 2760, 2875, 3000, 3130, 3450, 3756, 4600, 4695, 5750, 6260, 6900, 7199, 7512, 7825, 8625, 9390, 11500, 12520, 13800, 14398, 15650, 17250, 18780, 21597, 23000, 23475, 28796, 31300, 34500, 35995, 37560, 39125, 43194, 46950, 57592, 62600, 69000, 71990, 78250, 86388, 93900, 107985, 117375, 143980, 156500, 172776, 179975, 187800, 215970, 234750, 287960, 313000, 359950, 431940, 469500, 539925, 719900, 863880, 899875, 939000, 1079850, 1439800, 1799750, 2159700, 2699625, 3599500, 4319400, 5399250, 7199000, 10798500, 21597000]

約数ペア:

[(1, 21597000), (2, 10798500), (3, 7199000), (4, 5399250), (5, 4319400), (6, 3599500), (8, 2699625), (10, 2159700), (12, 1799750), (15, 1439800), (20, 1079850), (23, 939000), (24, 899875), (25, 863880), (30, 719900), (40, 539925), (46, 469500), (50, 431940), (60, 359950), (69, 313000), (75, 287960), (92, 234750), (100, 215970), (115, 187800), (120, 179975), (125, 172776), (138, 156500), (150, 143980), (184, 117375), (200, 107985), (230, 93900), (250, 86388), (276, 78250), (300, 71990), (313, 69000), (345, 62600), (375, 57592), (460, 46950), (500, 43194), (552, 39125), (575, 37560), (600, 35995), (626, 34500), (690, 31300), (750, 28796), (920, 23475), (939, 23000), (1000, 21597), (1150, 18780), (1252, 17250), (1380, 15650), (1500, 14398), (1565, 13800), (1725, 12520), (1878, 11500), (2300, 9390), (2504, 8625), (2760, 7825), (2875, 7512), (3000, 7199), (3130, 6900), (3450, 6260), (3756, 5750), (4600, 4695)]