21292416

素因数分解:

$2^7\times 3^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 64504800

約数和(自身を除く): 43212384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 64, 72, 96, 101, 108, 122, 128, 144, 183, 192, 202, 216, 244, 288, 303, 366, 384, 404, 432, 488, 549, 576, 606, 732, 808, 864, 909, 976, 1098, 1152, 1212, 1464, 1616, 1647, 1728, 1818, 1952, 2196, 2424, 2727, 2928, 3232, 3294, 3456, 3636, 3904, 4392, 4848, 5454, 5856, 6161, 6464, 6588, 7272, 7808, 8784, 9696, 10908, 11712, 12322, 12928, 13176, 14544, 17568, 18483, 19392, 21816, 23424, 24644, 26352, 29088, 35136, 36966, 38784, 43632, 49288, 52704, 55449, 58176, 70272, 73932, 87264, 98576, 105408, 110898, 116352, 147864, 166347, 174528, 197152, 210816, 221796, 295728, 332694, 349056, 394304, 443592, 591456, 665388, 788608, 887184, 1182912, 1330776, 1774368, 2365824, 2661552, 3548736, 5323104, 7097472, 10646208, 21292416]

約数ペア:

[(1, 21292416), (2, 10646208), (3, 7097472), (4, 5323104), (6, 3548736), (8, 2661552), (9, 2365824), (12, 1774368), (16, 1330776), (18, 1182912), (24, 887184), (27, 788608), (32, 665388), (36, 591456), (48, 443592), (54, 394304), (61, 349056), (64, 332694), (72, 295728), (96, 221796), (101, 210816), (108, 197152), (122, 174528), (128, 166347), (144, 147864), (183, 116352), (192, 110898), (202, 105408), (216, 98576), (244, 87264), (288, 73932), (303, 70272), (366, 58176), (384, 55449), (404, 52704), (432, 49288), (488, 43632), (549, 38784), (576, 36966), (606, 35136), (732, 29088), (808, 26352), (864, 24644), (909, 23424), (976, 21816), (1098, 19392), (1152, 18483), (1212, 17568), (1464, 14544), (1616, 13176), (1647, 12928), (1728, 12322), (1818, 11712), (1952, 10908), (2196, 9696), (2424, 8784), (2727, 7808), (2928, 7272), (3232, 6588), (3294, 6464), (3456, 6161), (3636, 5856), (3904, 5454), (4392, 4848)]