21227250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 60383232

約数和(自身を除く): 39155982

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 31, 33, 50, 55, 62, 66, 75, 83, 93, 110, 125, 150, 155, 165, 166, 186, 249, 250, 275, 310, 330, 341, 375, 415, 465, 498, 550, 682, 750, 775, 825, 830, 913, 930, 1023, 1245, 1375, 1550, 1650, 1705, 1826, 2046, 2075, 2325, 2490, 2573, 2739, 2750, 3410, 3875, 4125, 4150, 4565, 4650, 5115, 5146, 5478, 6225, 7719, 7750, 8250, 8525, 9130, 10230, 10375, 11625, 12450, 12865, 13695, 15438, 17050, 20750, 22825, 23250, 25575, 25730, 27390, 28303, 31125, 38595, 42625, 45650, 51150, 56606, 62250, 64325, 68475, 77190, 84909, 85250, 114125, 127875, 128650, 136950, 141515, 169818, 192975, 228250, 255750, 283030, 321625, 342375, 385950, 424545, 643250, 684750, 707575, 849090, 964875, 1415150, 1929750, 2122725, 3537875, 4245450, 7075750, 10613625, 21227250]

約数ペア:

[(1, 21227250), (2, 10613625), (3, 7075750), (5, 4245450), (6, 3537875), (10, 2122725), (11, 1929750), (15, 1415150), (22, 964875), (25, 849090), (30, 707575), (31, 684750), (33, 643250), (50, 424545), (55, 385950), (62, 342375), (66, 321625), (75, 283030), (83, 255750), (93, 228250), (110, 192975), (125, 169818), (150, 141515), (155, 136950), (165, 128650), (166, 127875), (186, 114125), (249, 85250), (250, 84909), (275, 77190), (310, 68475), (330, 64325), (341, 62250), (375, 56606), (415, 51150), (465, 45650), (498, 42625), (550, 38595), (682, 31125), (750, 28303), (775, 27390), (825, 25730), (830, 25575), (913, 23250), (930, 22825), (1023, 20750), (1245, 17050), (1375, 15438), (1550, 13695), (1650, 12865), (1705, 12450), (1826, 11625), (2046, 10375), (2075, 10230), (2325, 9130), (2490, 8525), (2573, 8250), (2739, 7750), (2750, 7719), (3410, 6225), (3875, 5478), (4125, 5146), (4150, 5115), (4565, 4650)]