21735840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6469}}^1$

素因数の和:6494

約数の個数: 96

約数和(自身を含む): 78261120

約数和(自身を除く): 56525280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6469, 12938, 19407, 25876, 32345, 38814, 45283, 51752, 64690, 77628, 90566, 97035, 103504, 129380, 135849, 155256, 181132, 194070, 207008, 226415, 258760, 271698, 310512, 362264, 388140, 452830, 517520, 543396, 621024, 679245, 724528, 776280, 905660, 1035040, 1086792, 1358490, 1449056, 1552560, 1811320, 2173584, 2716980, 3105120, 3622640, 4347168, 5433960, 7245280, 10867920, 21735840]

約数ペア:

[(1, 21735840), (2, 10867920), (3, 7245280), (4, 5433960), (5, 4347168), (6, 3622640), (7, 3105120), (8, 2716980), (10, 2173584), (12, 1811320), (14, 1552560), (15, 1449056), (16, 1358490), (20, 1086792), (21, 1035040), (24, 905660), (28, 776280), (30, 724528), (32, 679245), (35, 621024), (40, 543396), (42, 517520), (48, 452830), (56, 388140), (60, 362264), (70, 310512), (80, 271698), (84, 258760), (96, 226415), (105, 207008), (112, 194070), (120, 181132), (140, 155256), (160, 135849), (168, 129380), (210, 103504), (224, 97035), (240, 90566), (280, 77628), (336, 64690), (420, 51752), (480, 45283), (560, 38814), (672, 32345), (840, 25876), (1120, 19407), (1680, 12938), (3360, 6469)]