21215672368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3888503}}^1$

素因数の和:3888553

約数の個数: 40

約数和(自身を含む): 46288751616

約数和(自身を除く): 25073079248

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 3888503, 7777006, 15554012, 31108024, 42773533, 62216048, 85547066, 120543593, 171094132, 241087186, 342188264, 482174372, 684376528, 964348744, 1325979523, 1928697488, 2651959046, 5303918092, 10607836184, 21215672368]

約数ペア:

[(1, 21215672368), (2, 10607836184), (4, 5303918092), (8, 2651959046), (11, 1928697488), (16, 1325979523), (22, 964348744), (31, 684376528), (44, 482174372), (62, 342188264), (88, 241087186), (124, 171094132), (176, 120543593), (248, 85547066), (341, 62216048), (496, 42773533), (682, 31108024), (1364, 15554012), (2728, 7777006), (5456, 3888503)]