21413280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6373}}^1$

素因数の和:6398

約数の個数: 96

約数和(自身を含む): 77099904

約数和(自身を除く): 55686624

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, 6373, 12746, 19119, 25492, 31865, 38238, 44611, 50984, 63730, 76476, 89222, 95595, 101968, 127460, 133833, 152952, 178444, 191190, 203936, 223055, 254920, 267666, 305904, 356888, 382380, 446110, 509840, 535332, 611808, 669165, 713776, 764760, 892220, 1019680, 1070664, 1338330, 1427552, 1529520, 1784440, 2141328, 2676660, 3059040, 3568880, 4282656, 5353320, 7137760, 10706640, 21413280]

約数ペア:

[(1, 21413280), (2, 10706640), (3, 7137760), (4, 5353320), (5, 4282656), (6, 3568880), (7, 3059040), (8, 2676660), (10, 2141328), (12, 1784440), (14, 1529520), (15, 1427552), (16, 1338330), (20, 1070664), (21, 1019680), (24, 892220), (28, 764760), (30, 713776), (32, 669165), (35, 611808), (40, 535332), (42, 509840), (48, 446110), (56, 382380), (60, 356888), (70, 305904), (80, 267666), (84, 254920), (96, 223055), (105, 203936), (112, 191190), (120, 178444), (140, 152952), (160, 133833), (168, 127460), (210, 101968), (224, 95595), (240, 89222), (280, 76476), (336, 63730), (420, 50984), (480, 44611), (560, 38238), (672, 31865), (840, 25492), (1120, 19119), (1680, 12746), (3360, 6373)]