21815043954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{506173}}^1$

素因数の和:506842

約数の個数: 32

約数和(自身を含む): 47669442624

約数和(自身を除く): 25854398670

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 653, 1306, 1959, 3918, 7183, 14366, 21549, 43098, 506173, 1012346, 1518519, 3037038, 5567903, 11135806, 16703709, 33407418, 330530969, 661061938, 991592907, 1983185814, 3635840659, 7271681318, 10907521977, 21815043954]

約数ペア:

[(1, 21815043954), (2, 10907521977), (3, 7271681318), (6, 3635840659), (11, 1983185814), (22, 991592907), (33, 661061938), (66, 330530969), (653, 33407418), (1306, 16703709), (1959, 11135806), (3918, 5567903), (7183, 3037038), (14366, 1518519), (21549, 1012346), (43098, 506173)]