21252564

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10357}}^1$

素因数の和:10389

約数の個数: 48

約数和(自身を含む): 58004800

約数和(自身を除く): 36752236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10357, 20714, 31071, 41428, 62142, 93213, 124284, 186426, 196783, 279639, 372852, 393566, 559278, 590349, 787132, 1118556, 1180698, 1771047, 2361396, 3542094, 5313141, 7084188, 10626282, 21252564]

約数ペア:

[(1, 21252564), (2, 10626282), (3, 7084188), (4, 5313141), (6, 3542094), (9, 2361396), (12, 1771047), (18, 1180698), (19, 1118556), (27, 787132), (36, 590349), (38, 559278), (54, 393566), (57, 372852), (76, 279639), (108, 196783), (114, 186426), (171, 124284), (228, 93213), (342, 62142), (513, 41428), (684, 31071), (1026, 20714), (2052, 10357)]