21393344

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:142

約数の個数: 84

約数和(自身を含む): 52358544

約数和(自身を除く): 30965200

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 53, 56, 64, 68, 106, 112, 119, 136, 212, 224, 238, 272, 371, 424, 448, 476, 544, 742, 848, 901, 952, 1088, 1484, 1696, 1802, 1904, 2809, 2968, 3392, 3604, 3808, 5618, 5936, 6307, 7208, 7616, 11236, 11872, 12614, 14416, 19663, 22472, 23744, 25228, 28832, 39326, 44944, 47753, 50456, 57664, 78652, 89888, 95506, 100912, 157304, 179776, 191012, 201824, 314608, 334271, 382024, 403648, 629216, 668542, 764048, 1258432, 1337084, 1528096, 2674168, 3056192, 5348336, 10696672, 21393344]

約数ペア:

[(1, 21393344), (2, 10696672), (4, 5348336), (7, 3056192), (8, 2674168), (14, 1528096), (16, 1337084), (17, 1258432), (28, 764048), (32, 668542), (34, 629216), (53, 403648), (56, 382024), (64, 334271), (68, 314608), (106, 201824), (112, 191012), (119, 179776), (136, 157304), (212, 100912), (224, 95506), (238, 89888), (272, 78652), (371, 57664), (424, 50456), (448, 47753), (476, 44944), (544, 39326), (742, 28832), (848, 25228), (901, 23744), (952, 22472), (1088, 19663), (1484, 14416), (1696, 12614), (1802, 11872), (1904, 11236), (2809, 7616), (2968, 7208), (3392, 6307), (3604, 5936), (3808, 5618)]