21612564

素因数分解:

$2^2\times 3^2\times {\mathrm{659}}^1\times {\mathrm{911}}^1$

素因数の和:1580

約数の個数: 36

約数和(自身を含む): 54774720

約数和(自身を除く): 33162156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 659, 911, 1318, 1822, 1977, 2636, 2733, 3644, 3954, 5466, 5931, 7908, 8199, 10932, 11862, 16398, 23724, 32796, 600349, 1200698, 1801047, 2401396, 3602094, 5403141, 7204188, 10806282, 21612564]

約数ペア:

[(1, 21612564), (2, 10806282), (3, 7204188), (4, 5403141), (6, 3602094), (9, 2401396), (12, 1801047), (18, 1200698), (36, 600349), (659, 32796), (911, 23724), (1318, 16398), (1822, 11862), (1977, 10932), (2636, 8199), (2733, 7908), (3644, 5931), (3954, 5466)]