21369012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3583}}^1$

素因数の和:3668

約数の個数: 48

約数和(自身を含む): 57802752

約数和(自身を除く): 36433740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3583, 5964, 7166, 10749, 14332, 21498, 25081, 42996, 50162, 75243, 100324, 150486, 254393, 300972, 508786, 763179, 1017572, 1526358, 1780751, 3052716, 3561502, 5342253, 7123004, 10684506, 21369012]

約数ペア:

[(1, 21369012), (2, 10684506), (3, 7123004), (4, 5342253), (6, 3561502), (7, 3052716), (12, 1780751), (14, 1526358), (21, 1017572), (28, 763179), (42, 508786), (71, 300972), (84, 254393), (142, 150486), (213, 100324), (284, 75243), (426, 50162), (497, 42996), (852, 25081), (994, 21498), (1491, 14332), (1988, 10749), (2982, 7166), (3583, 5964)]