21801420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:924

約数の個数: 96

約数和(自身を含む): 69350400

約数和(自身を除く): 47548980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 859, 940, 1269, 1410, 1692, 1718, 2115, 2538, 2577, 2820, 3436, 4230, 4295, 5076, 5154, 6345, 7731, 8460, 8590, 10308, 12690, 12885, 15462, 17180, 23193, 25380, 25770, 30924, 38655, 40373, 46386, 51540, 77310, 80746, 92772, 115965, 121119, 154620, 161492, 201865, 231930, 242238, 363357, 403730, 463860, 484476, 605595, 726714, 807460, 1090071, 1211190, 1453428, 1816785, 2180142, 2422380, 3633570, 4360284, 5450355, 7267140, 10900710, 21801420]

約数ペア:

[(1, 21801420), (2, 10900710), (3, 7267140), (4, 5450355), (5, 4360284), (6, 3633570), (9, 2422380), (10, 2180142), (12, 1816785), (15, 1453428), (18, 1211190), (20, 1090071), (27, 807460), (30, 726714), (36, 605595), (45, 484476), (47, 463860), (54, 403730), (60, 363357), (90, 242238), (94, 231930), (108, 201865), (135, 161492), (141, 154620), (180, 121119), (188, 115965), (235, 92772), (270, 80746), (282, 77310), (423, 51540), (470, 46386), (540, 40373), (564, 38655), (705, 30924), (846, 25770), (859, 25380), (940, 23193), (1269, 17180), (1410, 15462), (1692, 12885), (1718, 12690), (2115, 10308), (2538, 8590), (2577, 8460), (2820, 7731), (3436, 6345), (4230, 5154), (4295, 5076)]