21576496821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1\times {\mathrm{18461}}^1$

素因数の和:18913

約数の個数: 32

約数和(自身を含む): 31774726656

約数和(自身を除く): 10198229835

約数列:

[1, 3, 11, 33, 107, 321, 331, 993, 1177, 3531, 3641, 10923, 18461, 35417, 55383, 106251, 203071, 389587, 609213, 1168761, 1975327, 5925981, 6110591, 18331773, 21728597, 65185791, 67216501, 201649503, 653833237, 1961499711, 7192165607, 21576496821]

約数ペア:

[(1, 21576496821), (3, 7192165607), (11, 1961499711), (33, 653833237), (107, 201649503), (321, 67216501), (331, 65185791), (993, 21728597), (1177, 18331773), (3531, 6110591), (3641, 5925981), (10923, 1975327), (18461, 1168761), (35417, 609213), (55383, 389587), (106251, 203071)]