21006552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6616

約数の個数: 64

約数和(自身を含む): 63187200

約数和(自身を除く): 42180648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6581, 13162, 19743, 26324, 39486, 46067, 52648, 78972, 92134, 125039, 138201, 157944, 184268, 250078, 276402, 368536, 375117, 500156, 552804, 750234, 875273, 1000312, 1105608, 1500468, 1750546, 2625819, 3000936, 3501092, 5251638, 7002184, 10503276, 21006552]

約数ペア:

[(1, 21006552), (2, 10503276), (3, 7002184), (4, 5251638), (6, 3501092), (7, 3000936), (8, 2625819), (12, 1750546), (14, 1500468), (19, 1105608), (21, 1000312), (24, 875273), (28, 750234), (38, 552804), (42, 500156), (56, 375117), (57, 368536), (76, 276402), (84, 250078), (114, 184268), (133, 157944), (152, 138201), (168, 125039), (228, 92134), (266, 78972), (399, 52648), (456, 46067), (532, 39486), (798, 26324), (1064, 19743), (1596, 13162), (3192, 6581)]