21978870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 32888586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 107, 123, 167, 205, 214, 246, 321, 334, 410, 501, 535, 615, 642, 835, 1002, 1070, 1230, 1605, 1670, 2505, 3210, 4387, 5010, 6847, 8774, 13161, 13694, 17869, 20541, 21935, 26322, 34235, 35738, 41082, 43870, 53607, 65805, 68470, 89345, 102705, 107214, 131610, 178690, 205410, 268035, 536070, 732629, 1465258, 2197887, 3663145, 4395774, 7326290, 10989435, 21978870]

約数ペア:

[(1, 21978870), (2, 10989435), (3, 7326290), (5, 4395774), (6, 3663145), (10, 2197887), (15, 1465258), (30, 732629), (41, 536070), (82, 268035), (107, 205410), (123, 178690), (167, 131610), (205, 107214), (214, 102705), (246, 89345), (321, 68470), (334, 65805), (410, 53607), (501, 43870), (535, 41082), (615, 35738), (642, 34235), (835, 26322), (1002, 21935), (1070, 20541), (1230, 17869), (1605, 13694), (1670, 13161), (2505, 8774), (3210, 6847), (4387, 5010)]