21004272

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:892

約数の個数: 100

約数和(自身を含む): 64067080

約数和(自身を除く): 43062808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 304, 324, 342, 432, 456, 513, 648, 684, 853, 912, 1026, 1296, 1368, 1539, 1706, 2052, 2559, 2736, 3078, 3412, 4104, 5118, 6156, 6824, 7677, 8208, 10236, 12312, 13648, 15354, 16207, 20472, 23031, 24624, 30708, 32414, 40944, 46062, 48621, 61416, 64828, 69093, 92124, 97242, 122832, 129656, 138186, 145863, 184248, 194484, 259312, 276372, 291726, 368496, 388968, 437589, 552744, 583452, 777936, 875178, 1105488, 1166904, 1312767, 1750356, 2333808, 2625534, 3500712, 5251068, 7001424, 10502136, 21004272]

約数ペア:

[(1, 21004272), (2, 10502136), (3, 7001424), (4, 5251068), (6, 3500712), (8, 2625534), (9, 2333808), (12, 1750356), (16, 1312767), (18, 1166904), (19, 1105488), (24, 875178), (27, 777936), (36, 583452), (38, 552744), (48, 437589), (54, 388968), (57, 368496), (72, 291726), (76, 276372), (81, 259312), (108, 194484), (114, 184248), (144, 145863), (152, 138186), (162, 129656), (171, 122832), (216, 97242), (228, 92124), (304, 69093), (324, 64828), (342, 61416), (432, 48621), (456, 46062), (513, 40944), (648, 32414), (684, 30708), (853, 24624), (912, 23031), (1026, 20472), (1296, 16207), (1368, 15354), (1539, 13648), (1706, 12312), (2052, 10236), (2559, 8208), (2736, 7677), (3078, 6824), (3412, 6156), (4104, 5118)]